Fixed errors in the console if obj.data is None

Errors appeared when calling the context menu on an object without data

add_mesh_BoltFactory/Boltfactory.py

@@ -481,7 +481,7 @@ def Bolt_contex_menu(self, context):
     obj = context.object
     layout = self.layout
 
-    if 'Bolt' in obj.data.keys():
+    if obj.data is not None and 'Bolt' in obj.data.keys():
         props = layout.operator("mesh.bolt_add", text="Change Bolt")
         props.change = True
         for prm in BoltParameters():

add_mesh_extra_objects/__init__.py

@@ -249,7 +249,7 @@ def Extras_contex_menu(self, context):
     obj = context.object
     layout = self.layout
 
-    if obj == None:
+    if obj == None or obj.data is None:
         return
 
     if 'Gear' in obj.data.keys():

add_mesh_geodesic_domes/__init__.py

@@ -54,7 +54,7 @@ def Geodesic_contex_menu(self, context):
     obj = context.object
     layout = self.layout
 
-    if 'GeodesicDome' in obj.data.keys():
+    if obj.data is not None and 'GeodesicDome' in obj.data.keys():
         props = layout.operator("mesh.generate_geodesic_dome", text="Change Geodesic Dome")
         props.change = True
         for prm in third_domes_panel_271.GeodesicDomeParameters():