diff --git a/openpype/tools/project_manager/project_manager/delegates.py b/openpype/tools/project_manager/project_manager/delegates.py
index 4292224b09..c2b2d07b58 100644
--- a/openpype/tools/project_manager/project_manager/delegates.py
+++ b/openpype/tools/project_manager/project_manager/delegates.py
@@ -78,6 +78,8 @@ class NumberDelegate(QtWidgets.QStyledItemDelegate):
             editor = QtWidgets.QDoubleSpinBox(parent)
         else:
             editor = QtWidgets.QSpinBox(parent)
+
+        editor.setObjectName("NumberEditor")
         editor.setMinimum(self.minimum)
         editor.setMaximum(self.maximum)
 
@@ -97,6 +99,7 @@ class NumberDelegate(QtWidgets.QStyledItemDelegate):
 class NameDelegate(QtWidgets.QStyledItemDelegate):
     def createEditor(self, parent, option, index):
         editor = NameTextEdit(parent)
+        editor.setObjectName("NameEditor")
         value = index.data(QtCore.Qt.EditRole)
         if value is not None:
             editor.setText(str(value))
@@ -110,6 +113,7 @@ class TypeDelegate(QtWidgets.QStyledItemDelegate):
 
     def createEditor(self, parent, option, index):
         editor = FilterComboBox(parent)
+        editor.setObjectName("TypeEditor")
         if not self._project_doc_cache.project_doc:
             return editor
 
@@ -132,6 +136,7 @@ class ToolsDelegate(QtWidgets.QStyledItemDelegate):
 
     def createEditor(self, parent, option, index):
         editor = MultiSelectionComboBox(parent)
+        editor.setObjectName("ToolEditor")
         if not self._tools_cache.tools_data:
             return editor
 
diff --git a/openpype/tools/project_manager/project_manager/model.py b/openpype/tools/project_manager/project_manager/model.py
index 84b0c17e8c..171aecef7d 100644
--- a/openpype/tools/project_manager/project_manager/model.py
+++ b/openpype/tools/project_manager/project_manager/model.py
@@ -1487,9 +1487,6 @@ class ProjectItem(BaseItem):
         return QtCore.Qt.ItemIsEnabled | QtCore.Qt.ItemIsSelectable
 
 
-
-
-
 class AssetItem(BaseItem):
     item_type = "asset"
 
diff --git a/openpype/tools/project_manager/project_manager/view.py b/openpype/tools/project_manager/project_manager/view.py
index b2f21aaffd..8c7902cbd7 100644
--- a/openpype/tools/project_manager/project_manager/view.py
+++ b/openpype/tools/project_manager/project_manager/view.py
@@ -389,9 +389,16 @@ class HierarchyView(QtWidgets.QTreeView):
             self.edit(index)
 
     def _remove_delete_flag(self, item_ids):
+        """Remove deletion flag on items marked for deletion."""
         self._source_model.remove_delete_flag(item_ids)
 
     def _expand_items(self, indexes):
+        """Expand multiple items with all it's children.
+
+        Args:
+            indexes (list): List of QModelIndex that should be expanded.
+        """
+
         item_ids = set()
         process_queue = Queue()
         for index in indexes:
@@ -415,6 +422,11 @@ class HierarchyView(QtWidgets.QTreeView):
                 ))
 
     def _collapse_items(self, indexes):
+        """Collapse multiple items with all it's children.
+
+        Args:
+            indexes (list): List of QModelIndex that should be collapsed.
+        """
         item_ids = set()
         process_queue = Queue()
         for index in indexes:
@@ -442,6 +454,10 @@ class HierarchyView(QtWidgets.QTreeView):
         self._parent.show_message(message)
 
     def _on_context_menu(self, point):
+        """Context menu on right click.
+
+        Currently is menu shown only on "name" column.
+        """
         index = self.indexAt(point)
         column = index.column()
         if column != 0: