diff --git a/pype/lib.py b/pype/lib.py
index b66c83cd7c..fc68e395bd 100644
--- a/pype/lib.py
+++ b/pype/lib.py
@@ -109,8 +109,8 @@ def update_task_from_path(path):
     # Find the changes between current Session and the path's context.
     current = {
         "asset": avalon.api.Session["AVALON_ASSET"],
-        "task": avalon.api.Session["AVALON_TASK"],
-        "app": avalon.api.Session["AVALON_APP"]
+        "task": avalon.api.Session["AVALON_TASK"]
+        # "app": avalon.api.Session["AVALON_APP"]
     }
     changes = {key: context[key] for key, current_value in current.items()
                if context[key] != current_value}
diff --git a/pype/plugins/maya/create/create_renderglobals.py b/pype/plugins/maya/create/create_renderglobals.py
index 74751fd1b2..61fd76f6ef 100644
--- a/pype/plugins/maya/create/create_renderglobals.py
+++ b/pype/plugins/maya/create/create_renderglobals.py
@@ -4,7 +4,7 @@ from maya import cmds
 
 from avalon.vendor import requests
 import avalon.maya
-from avalon import api
+import os
 
 
 class CreateRenderGlobals(avalon.maya.Creator):
diff --git a/pype/plugins/maya/publish/extract_setdress.py b/pype/plugins/maya/publish/extract_setdress.py
index 7a9d643066..e2950d1151 100644
--- a/pype/plugins/maya/publish/extract_setdress.py
+++ b/pype/plugins/maya/publish/extract_setdress.py
@@ -33,7 +33,7 @@ class ExtractSetDress(pype.api.Extractor):
             json.dump(instance.data["scenedata"], filepath, ensure_ascii=False)
 
         self.log.info("Extracting point cache ..")
-        cmds.select(instance.data["\"])
+        cmds.select(instance.data["\\"])
 
         # Run basic alembic exporter
         extract_alembic(file=hierarchy_path,
diff --git a/pype/plugins/maya/publish/validate_animation_out_set_related_node_ids.py b/pype/plugins/maya/publish/validate_animation_out_set_related_node_ids.py
index 32de87469a..c45f9b51e5 100644
--- a/pype/plugins/maya/publish/validate_animation_out_set_related_node_ids.py
+++ b/pype/plugins/maya/publish/validate_animation_out_set_related_node_ids.py
@@ -17,7 +17,7 @@ class ValidateOutRelatedNodeIds(pyblish.api.InstancePlugin):
     """
 
     order = pype.api.ValidateContentsOrder
-    families = ["animation', "pointcache"]
+    families = ["animation", "pointcache"]
     hosts = ['maya']
     label = 'Animation Out Set Related Node Ids'
     actions = [pype.maya.action.SelectInvalidAction, pype.api.RepairAction]
diff --git a/pype/plugins/maya/publish/validate_camera_attributes.py b/pype/plugins/maya/publish/validate_camera_attributes.py
index e4af074bc3..6e9b4b3060 100644
--- a/pype/plugins/maya/publish/validate_camera_attributes.py
+++ b/pype/plugins/maya/publish/validate_camera_attributes.py
@@ -15,7 +15,7 @@ class ValidateCameraAttributes(pyblish.api.InstancePlugin):
     """
 
     order = pype.api.ValidateContentsOrder
-    families = ["camera']
+    families = ["camera"]
     hosts = ['maya']
     label = 'Camera Attributes'
     actions = [pype.maya.action.SelectInvalidAction]
diff --git a/pype/plugins/maya/publish/validate_camera_contents.py b/pype/plugins/maya/publish/validate_camera_contents.py
index 88b8a33284..a8f8bcc2fd 100644
--- a/pype/plugins/maya/publish/validate_camera_contents.py
+++ b/pype/plugins/maya/publish/validate_camera_contents.py
@@ -16,7 +16,7 @@ class ValidateCameraContents(pyblish.api.InstancePlugin):
     """
 
     order = pype.api.ValidateContentsOrder
-    families = ["camera']
+    families = ["camera"]
     hosts = ['maya']
     label = 'Camera Contents'
     actions = [pype.maya.action.SelectInvalidAction]
diff --git a/pype/plugins/maya/publish/validate_instancer_content.py b/pype/plugins/maya/publish/validate_instancer_content.py
index bc24c7fdbc..88566b7e1d 100644
--- a/pype/plugins/maya/publish/validate_instancer_content.py
+++ b/pype/plugins/maya/publish/validate_instancer_content.py
@@ -12,7 +12,7 @@ class ValidateInstancerContent(pyblish.api.InstancePlugin):
     """
     order = pyblish.api.ValidatorOrder
     label = 'Instancer Content'
-    families = ["instancer']
+    families = ["instancer"]
 
     def process(self, instance):
 
diff --git a/pype/plugins/maya/publish/validate_instancer_frame_ranges.py b/pype/plugins/maya/publish/validate_instancer_frame_ranges.py
index f528d298af..6931c59e48 100644
--- a/pype/plugins/maya/publish/validate_instancer_frame_ranges.py
+++ b/pype/plugins/maya/publish/validate_instancer_frame_ranges.py
@@ -44,7 +44,7 @@ class ValidateInstancerFrameRanges(pyblish.api.InstancePlugin):
     """
     order = pyblish.api.ValidatorOrder
     label = 'Instancer Cache Frame Ranges'
-    families = ["instancer']
+    families = ["instancer"]
 
     @classmethod
     def get_invalid(cls, instance):
diff --git a/pype/plugins/maya/publish/validate_look_contents.py b/pype/plugins/maya/publish/validate_look_contents.py
index cee23f1b8f..eba6aef150 100644
--- a/pype/plugins/maya/publish/validate_look_contents.py
+++ b/pype/plugins/maya/publish/validate_look_contents.py
@@ -18,7 +18,7 @@ class ValidateLookContents(pyblish.api.InstancePlugin):
     """
 
     order = pype.api.ValidateContentsOrder
-    families = ["look']
+    families = ["look"]
     hosts = ['maya']
     label = 'Look Data Contents'
     actions = [pype.maya.action.SelectInvalidAction]
@@ -112,4 +112,4 @@ class ValidateLookContents(pyblish.api.InstancePlugin):
                               "files" % node)
                 invalid.append(node)
 
-        return invalid
\ No newline at end of file
+        return invalid
diff --git a/pype/plugins/maya/publish/validate_look_default_shaders_connections.py b/pype/plugins/maya/publish/validate_look_default_shaders_connections.py
index 622e503ad6..6b8781eab0 100644
--- a/pype/plugins/maya/publish/validate_look_default_shaders_connections.py
+++ b/pype/plugins/maya/publish/validate_look_default_shaders_connections.py
@@ -17,7 +17,7 @@ class ValidateLookDefaultShadersConnections(pyblish.api.InstancePlugin):
     """
 
     order = pype.api.ValidateContentsOrder
-    families = ["look']
+    families = ["look"]
     hosts = ['maya']
     label = 'Look Default Shader Connections'
 
diff --git a/pype/plugins/maya/publish/validate_look_id_reference_edits.py b/pype/plugins/maya/publish/validate_look_id_reference_edits.py
index 91d6c030ce..e1eac26577 100644
--- a/pype/plugins/maya/publish/validate_look_id_reference_edits.py
+++ b/pype/plugins/maya/publish/validate_look_id_reference_edits.py
@@ -17,7 +17,7 @@ class ValidateLookIdReferenceEdits(pyblish.api.InstancePlugin):
     """
 
     order = pype.api.ValidateContentsOrder
-    families = ["look']
+    families = ["look"]
     hosts = ['maya']
     label = 'Look Id Reference Edits'
     actions = [pype.maya.action.SelectInvalidAction,
diff --git a/pype/plugins/maya/publish/validate_look_members_unique.py b/pype/plugins/maya/publish/validate_look_members_unique.py
index 87bda97a9c..722597edce 100644
--- a/pype/plugins/maya/publish/validate_look_members_unique.py
+++ b/pype/plugins/maya/publish/validate_look_members_unique.py
@@ -23,7 +23,7 @@ class ValidateUniqueRelationshipMembers(pyblish.api.InstancePlugin):
     order = pype.api.ValidatePipelineOrder
     label = 'Look members unique'
     hosts = ['maya']
-    families = ["look']
+    families = ["look"]
 
     actions = [pype.maya.action.SelectInvalidAction,
                pype.maya.action.GenerateUUIDsOnInvalidAction]
diff --git a/pype/plugins/maya/publish/validate_look_no_default_shaders.py b/pype/plugins/maya/publish/validate_look_no_default_shaders.py
index 4c958afe5e..ca347925d9 100644
--- a/pype/plugins/maya/publish/validate_look_no_default_shaders.py
+++ b/pype/plugins/maya/publish/validate_look_no_default_shaders.py
@@ -24,13 +24,13 @@ class ValidateLookNoDefaultShaders(pyblish.api.InstancePlugin):
     """
 
     order = pype.api.ValidateContentsOrder + 0.01
-    families = ["look']
+    families = ["look"]
     hosts = ['maya']
     label = 'Look No Default Shaders'
     actions = [pype.maya.action.SelectInvalidAction]
 
     DEFAULT_SHADERS = {"lambert1", "initialShadingGroup",
-                      "initialParticleSE", "particleCloud1"}
+                       "initialParticleSE", "particleCloud1"}
 
     def process(self, instance):
         """Process all the nodes in the instance"""
diff --git a/pype/plugins/maya/publish/validate_look_sets.py b/pype/plugins/maya/publish/validate_look_sets.py
index 1faaf09b55..6ef333486d 100644
--- a/pype/plugins/maya/publish/validate_look_sets.py
+++ b/pype/plugins/maya/publish/validate_look_sets.py
@@ -37,7 +37,7 @@ class ValidateLookSets(pyblish.api.InstancePlugin):
     """
 
     order = pype.api.ValidateContentsOrder
-    families = ["look']
+    families = ["look"]
     hosts = ['maya']
     label = 'Look Sets'
     actions = [pype.maya.action.SelectInvalidAction]
diff --git a/pype/plugins/maya/publish/validate_look_single_shader.py b/pype/plugins/maya/publish/validate_look_single_shader.py
index eda06b5549..8af678eb6a 100644
--- a/pype/plugins/maya/publish/validate_look_single_shader.py
+++ b/pype/plugins/maya/publish/validate_look_single_shader.py
@@ -13,7 +13,7 @@ class ValidateSingleShader(pyblish.api.InstancePlugin):
     """
 
     order = pype.api.ValidateContentsOrder
-    families = ["look']
+    families = ["look"]
     hosts = ['maya']
     label = 'Look Single Shader Per Shape'
     actions = [pype.maya.action.SelectInvalidAction]
diff --git a/pype/plugins/maya/publish/validate_mesh_has_uv.py b/pype/plugins/maya/publish/validate_mesh_has_uv.py
index 4bd1cb6d82..f64e414c35 100644
--- a/pype/plugins/maya/publish/validate_mesh_has_uv.py
+++ b/pype/plugins/maya/publish/validate_mesh_has_uv.py
@@ -47,7 +47,7 @@ class ValidateMeshHasUVs(pyblish.api.InstancePlugin):
 
     order = pype.api.ValidateMeshOrder
     hosts = ['maya']
-    families = ["model']
+    families = ["model"]
     category = 'geometry'
     label = 'Mesh Has UVs'
     actions = [pype.maya.action.SelectInvalidAction]
diff --git a/pype/plugins/maya/publish/validate_mesh_lamina_faces.py b/pype/plugins/maya/publish/validate_mesh_lamina_faces.py
index 7f663040e8..46e8128819 100644
--- a/pype/plugins/maya/publish/validate_mesh_lamina_faces.py
+++ b/pype/plugins/maya/publish/validate_mesh_lamina_faces.py
@@ -14,7 +14,7 @@ class ValidateMeshLaminaFaces(pyblish.api.InstancePlugin):
 
     order = pype.api.ValidateMeshOrder
     hosts = ['maya']
-    families = ["model']
+    families = ["model"]
     category = 'geometry'
     version = (0, 1, 0)
     label = 'Mesh Lamina Faces'
diff --git a/pype/plugins/maya/publish/validate_mesh_no_negative_scale.py b/pype/plugins/maya/publish/validate_mesh_no_negative_scale.py
index 723e998bab..913c8c2787 100644
--- a/pype/plugins/maya/publish/validate_mesh_no_negative_scale.py
+++ b/pype/plugins/maya/publish/validate_mesh_no_negative_scale.py
@@ -19,7 +19,7 @@ class ValidateMeshNoNegativeScale(pyblish.api.Validator):
 
     order = pype.api.ValidateMeshOrder
     hosts = ['maya']
-    families = ["model']
+    families = ["model"]
     label = 'Mesh No Negative Scale'
     actions = [pype.maya.action.SelectInvalidAction]
 
diff --git a/pype/plugins/maya/publish/validate_mesh_non_manifold.py b/pype/plugins/maya/publish/validate_mesh_non_manifold.py
index 461f18cf91..dbc2d4ff59 100644
--- a/pype/plugins/maya/publish/validate_mesh_non_manifold.py
+++ b/pype/plugins/maya/publish/validate_mesh_non_manifold.py
@@ -15,7 +15,7 @@ class ValidateMeshNonManifold(pyblish.api.Validator):
 
     order = pype.api.ValidateMeshOrder
     hosts = ['maya']
-    families = ["model']
+    families = ["model"]
     label = 'Mesh Non-Manifold Vertices/Edges'
     actions = [pype.maya.action.SelectInvalidAction]
 
diff --git a/pype/plugins/maya/publish/validate_mesh_non_zero_edge.py b/pype/plugins/maya/publish/validate_mesh_non_zero_edge.py
index c29ae12b0e..8194b68da1 100644
--- a/pype/plugins/maya/publish/validate_mesh_non_zero_edge.py
+++ b/pype/plugins/maya/publish/validate_mesh_non_zero_edge.py
@@ -17,7 +17,7 @@ class ValidateMeshNonZeroEdgeLength(pyblish.api.InstancePlugin):
     """
 
     order = pype.api.ValidateMeshOrder
-    families = ["model']
+    families = ["model"]
     hosts = ['maya']
     category = 'geometry'
     version = (0, 1, 0)
diff --git a/pype/plugins/maya/publish/validate_mesh_normals_unlocked.py b/pype/plugins/maya/publish/validate_mesh_normals_unlocked.py
index 1552f9084a..22e3a2d6dd 100644
--- a/pype/plugins/maya/publish/validate_mesh_normals_unlocked.py
+++ b/pype/plugins/maya/publish/validate_mesh_normals_unlocked.py
@@ -15,7 +15,7 @@ class ValidateMeshNormalsUnlocked(pyblish.api.Validator):
 
     order = pype.api.ValidateMeshOrder
     hosts = ['maya']
-    families = ["model']
+    families = ["model"]
     category = 'geometry'
     version = (0, 1, 0)
     label = 'Mesh Normals Unlocked'
diff --git a/pype/plugins/maya/publish/validate_mesh_shader_connections.py b/pype/plugins/maya/publish/validate_mesh_shader_connections.py
index e535922e91..9201bb6e8d 100644
--- a/pype/plugins/maya/publish/validate_mesh_shader_connections.py
+++ b/pype/plugins/maya/publish/validate_mesh_shader_connections.py
@@ -75,7 +75,7 @@ class ValidateMeshShaderConnections(pyblish.api.InstancePlugin):
 
     order = pype.api.ValidateMeshOrder
     hosts = ['maya']
-    families = ["model']
+    families = ["model"]
     label = "Mesh Shader Connections"
     actions = [pype.maya.action.SelectInvalidAction,
                pype.api.RepairAction]
diff --git a/pype/plugins/maya/publish/validate_mesh_single_uv_set.py b/pype/plugins/maya/publish/validate_mesh_single_uv_set.py
index 3c4527e663..e3e330a0cf 100644
--- a/pype/plugins/maya/publish/validate_mesh_single_uv_set.py
+++ b/pype/plugins/maya/publish/validate_mesh_single_uv_set.py
@@ -17,7 +17,7 @@ class ValidateMeshSingleUVSet(pyblish.api.InstancePlugin):
 
     order = pype.api.ValidateMeshOrder
     hosts = ['maya']
-    families = ["model', 'studio.pointcache']
+    families = ["model", 'studio.pointcache']
     category = 'uv'
     optional = True
     version = (0, 1, 0)
diff --git a/pype/plugins/maya/publish/validate_mesh_uv_set_map1.py b/pype/plugins/maya/publish/validate_mesh_uv_set_map1.py
index b9f1651760..e4733a1c0a 100644
--- a/pype/plugins/maya/publish/validate_mesh_uv_set_map1.py
+++ b/pype/plugins/maya/publish/validate_mesh_uv_set_map1.py
@@ -17,7 +17,7 @@ class ValidateMeshUVSetMap1(pyblish.api.InstancePlugin):
 
     order = pype.api.ValidateMeshOrder
     hosts = ['maya']
-    families = ["model']
+    families = ["model"]
     optional = True
     label = "Mesh has map1 UV Set"
     actions = [pype.maya.action.SelectInvalidAction,
diff --git a/pype/plugins/maya/publish/validate_mesh_vertices_have_edges.py b/pype/plugins/maya/publish/validate_mesh_vertices_have_edges.py
index 033c0a1c1b..b5efae440d 100644
--- a/pype/plugins/maya/publish/validate_mesh_vertices_have_edges.py
+++ b/pype/plugins/maya/publish/validate_mesh_vertices_have_edges.py
@@ -59,7 +59,7 @@ class ValidateMeshVerticesHaveEdges(pyblish.api.InstancePlugin):
 
     order = pype.api.ValidateMeshOrder
     hosts = ['maya']
-    families = ["model']
+    families = ["model"]
     category = 'geometry'
     label = 'Mesh Vertices Have Edges'
     actions = [pype.maya.action.SelectInvalidAction,
diff --git a/pype/plugins/maya/publish/validate_no_default_camera.py b/pype/plugins/maya/publish/validate_no_default_camera.py
index 8fa3f3dd71..a5714baaf5 100644
--- a/pype/plugins/maya/publish/validate_no_default_camera.py
+++ b/pype/plugins/maya/publish/validate_no_default_camera.py
@@ -15,7 +15,7 @@ class ValidateNoDefaultCameras(pyblish.api.InstancePlugin):
 
     order = pype.api.ValidateContentsOrder
     hosts = ['maya']
-    families = ["camera']
+    families = ["camera"]
     version = (0, 1, 0)
     label = "No Default Cameras"
     actions = [pype.maya.action.SelectInvalidAction]
diff --git a/pype/plugins/maya/publish/validate_no_namespace.py b/pype/plugins/maya/publish/validate_no_namespace.py
index 65ddf32315..a4304b7982 100644
--- a/pype/plugins/maya/publish/validate_no_namespace.py
+++ b/pype/plugins/maya/publish/validate_no_namespace.py
@@ -18,7 +18,7 @@ class ValidateNoNamespace(pyblish.api.InstancePlugin):
 
     order = pype.api.ValidateContentsOrder
     hosts = ['maya']
-    families = ["model']
+    families = ["model"]
     category = 'cleanup'
     version = (0, 1, 0)
     label = 'No Namespaces'
diff --git a/pype/plugins/maya/publish/validate_no_null_transforms.py b/pype/plugins/maya/publish/validate_no_null_transforms.py
index 889717078a..98b9eb20c0 100644
--- a/pype/plugins/maya/publish/validate_no_null_transforms.py
+++ b/pype/plugins/maya/publish/validate_no_null_transforms.py
@@ -39,7 +39,7 @@ class ValidateNoNullTransforms(pyblish.api.InstancePlugin):
 
     order = pype.api.ValidateContentsOrder
     hosts = ['maya']
-    families = ["model']
+    families = ["model"]
     category = 'cleanup'
     version = (0, 1, 0)
     label = 'No Empty/Null Transforms'
diff --git a/pype/plugins/maya/publish/validate_no_unknown_nodes.py b/pype/plugins/maya/publish/validate_no_unknown_nodes.py
index c79e66fba9..a14f2ba5cd 100644
--- a/pype/plugins/maya/publish/validate_no_unknown_nodes.py
+++ b/pype/plugins/maya/publish/validate_no_unknown_nodes.py
@@ -18,7 +18,7 @@ class ValidateNoUnknownNodes(pyblish.api.InstancePlugin):
 
     order = pype.api.ValidateContentsOrder
     hosts = ['maya']
-    families = ["model', 'studio.rig']
+    families = ["model", 'studio.rig']
     optional = True
     label = "Unknown Nodes"
     actions = [pype.maya.action.SelectInvalidAction]
diff --git a/pype/plugins/maya/publish/validate_node_ids_deformed_shapes.py b/pype/plugins/maya/publish/validate_node_ids_deformed_shapes.py
index 7f6a1ddb60..5289c4dc70 100644
--- a/pype/plugins/maya/publish/validate_node_ids_deformed_shapes.py
+++ b/pype/plugins/maya/publish/validate_node_ids_deformed_shapes.py
@@ -17,7 +17,7 @@ class ValidateNodeIdsDeformedShape(pyblish.api.InstancePlugin):
     """
 
     order = pype.api.ValidateContentsOrder
-    families = ["look']
+    families = ["look"]
     hosts = ['maya']
     label = 'Deformed shape ids'
     actions = [pype.maya.action.SelectInvalidAction, pype.api.RepairAction]
@@ -64,4 +64,3 @@ class ValidateNodeIdsDeformedShape(pyblish.api.InstancePlugin):
                 continue
 
             lib.set_id(node, history_id, overwrite=True)
-
diff --git a/pype/plugins/maya/publish/validate_node_ids_related.py b/pype/plugins/maya/publish/validate_node_ids_related.py
index aab6cb8003..4a154d0b71 100644
--- a/pype/plugins/maya/publish/validate_node_ids_related.py
+++ b/pype/plugins/maya/publish/validate_node_ids_related.py
@@ -56,6 +56,3 @@ class ValidateNodeIDsRelated(pyblish.api.InstancePlugin):
                 invalid.append(node)
 
         return invalid
-
-
-
diff --git a/pype/plugins/maya/publish/validate_node_no_ghosting.py b/pype/plugins/maya/publish/validate_node_no_ghosting.py
index c0d6d1e373..51448cf150 100644
--- a/pype/plugins/maya/publish/validate_node_no_ghosting.py
+++ b/pype/plugins/maya/publish/validate_node_no_ghosting.py
@@ -19,7 +19,7 @@ class ValidateNodeNoGhosting(pyblish.api.InstancePlugin):
 
     order = pype.api.ValidateContentsOrder
     hosts = ['maya']
-    families = ["model', 'studio.rig']
+    families = ["model", 'studio.rig']
     label = "No Ghosting"
     actions = [pype.maya.action.SelectInvalidAction]
 
diff --git a/pype/plugins/maya/publish/validate_render_no_default_cameras.py b/pype/plugins/maya/publish/validate_render_no_default_cameras.py
index cd9c3db9e7..d20026534b 100644
--- a/pype/plugins/maya/publish/validate_render_no_default_cameras.py
+++ b/pype/plugins/maya/publish/validate_render_no_default_cameras.py
@@ -11,7 +11,7 @@ class ValidateRenderNoDefaultCameras(pyblish.api.InstancePlugin):
 
     order = pype.api.ValidateContentsOrder
     hosts = ['maya']
-    families = ["renderlayer']
+    families = ["renderlayer"]
     label = "No Default Cameras Renderable"
     actions = [pype.maya.action.SelectInvalidAction]
 
diff --git a/pype/plugins/maya/publish/validate_render_single_camera.py b/pype/plugins/maya/publish/validate_render_single_camera.py
index d39dfa8ae4..da8aacd930 100644
--- a/pype/plugins/maya/publish/validate_render_single_camera.py
+++ b/pype/plugins/maya/publish/validate_render_single_camera.py
@@ -19,7 +19,7 @@ class ValidateRenderSingleCamera(pyblish.api.InstancePlugin):
 
     order = pype.api.ValidateContentsOrder
     hosts = ['maya']
-    families = ["renderlayer']
+    families = ["renderlayer"]
     label = "Render Single Camera"
     actions = [pype.maya.action.SelectInvalidAction]
 
diff --git a/pype/plugins/maya/publish/validate_scene_set_workspace.py b/pype/plugins/maya/publish/validate_scene_set_workspace.py
index 33dfacd4e3..e342e28d34 100644
--- a/pype/plugins/maya/publish/validate_scene_set_workspace.py
+++ b/pype/plugins/maya/publish/validate_scene_set_workspace.py
@@ -30,7 +30,7 @@ class ValidateSceneSetWorkspace(pyblish.api.ContextPlugin):
 
     order = pype.api.ValidatePipelineOrder
     hosts = ['maya']
-    families = ["model']
+    families = ["model"]
     category = 'scene'
     version = (0, 1, 0)
     label = 'Maya Workspace Set'
diff --git a/pype/plugins/maya/publish/validate_shape_default_names.py b/pype/plugins/maya/publish/validate_shape_default_names.py
index faf0725291..2587562299 100644
--- a/pype/plugins/maya/publish/validate_shape_default_names.py
+++ b/pype/plugins/maya/publish/validate_shape_default_names.py
@@ -33,7 +33,7 @@ class ValidateShapeDefaultNames(pyblish.api.InstancePlugin):
 
     order = pype.api.ValidateContentsOrder
     hosts = ['maya']
-    families = ["model']
+    families = ["model"]
     category = 'cleanup'
     optional = True
     version = (0, 1, 0)
diff --git a/pype/plugins/maya/publish/validate_shape_render_stats.py b/pype/plugins/maya/publish/validate_shape_render_stats.py
index 600651098b..6bc440711e 100644
--- a/pype/plugins/maya/publish/validate_shape_render_stats.py
+++ b/pype/plugins/maya/publish/validate_shape_render_stats.py
@@ -11,7 +11,7 @@ class ValidateShapeRenderStats(pyblish.api.Validator):
 
     order = pype.api.ValidateMeshOrder
     hosts = ['maya']
-    families = ["model']
+    families = ["model"]
     label = 'Shape Default Render Stats'
     actions = [pype.maya.action.SelectInvalidAction,
                pype.api.RepairAction]
diff --git a/pype/plugins/maya/publish/validate_step_size.py b/pype/plugins/maya/publish/validate_step_size.py
index a3df3e41a6..d33898bc2f 100644
--- a/pype/plugins/maya/publish/validate_step_size.py
+++ b/pype/plugins/maya/publish/validate_step_size.py
@@ -12,7 +12,7 @@ class ValidateStepSize(pyblish.api.InstancePlugin):
 
     order = pype.api.ValidateContentsOrder
     label = 'Step size'
-    families = ["camera',
+    families = ["camera",
                 'studio.pointcache',
                 'studio.animation']
     actions = [pype.maya.action.SelectInvalidAction]
diff --git a/pype/plugins/maya/publish/validate_transform_naming_suffix.py b/pype/plugins/maya/publish/validate_transform_naming_suffix.py
index b6e2fc51cb..a5bd097132 100644
--- a/pype/plugins/maya/publish/validate_transform_naming_suffix.py
+++ b/pype/plugins/maya/publish/validate_transform_naming_suffix.py
@@ -33,7 +33,7 @@ class ValidateTransformNamingSuffix(pyblish.api.InstancePlugin):
 
     order = pype.api.ValidateContentsOrder
     hosts = ['maya']
-    families = ["model']
+    families = ["model"]
     category = 'cleanup'
     optional = True
     version = (0, 1, 0)
diff --git a/pype/plugins/maya/publish/validate_vrayproxy_members.py b/pype/plugins/maya/publish/validate_vrayproxy_members.py
index 8669056570..9b76a4947f 100644
--- a/pype/plugins/maya/publish/validate_vrayproxy_members.py
+++ b/pype/plugins/maya/publish/validate_vrayproxy_members.py
@@ -12,7 +12,7 @@ class ValidateVrayProxyMembers(pyblish.api.InstancePlugin):
     order = pyblish.api.ValidatorOrder
     label = 'VRay Proxy Members'
     hosts = ['maya']
-    families = ["vrayproxy']
+    families = ["vrayproxy"]
     actions = [pype.maya.action.SelectInvalidAction]
 
     def process(self, instance):
@@ -36,4 +36,3 @@ class ValidateVrayProxyMembers(pyblish.api.InstancePlugin):
 
             # Return the instance itself
             return [instance.name]
-