Geometry: Meshing: Fix pep8.

src/View/Geometry/MeshingDialog.py

@@ -67,7 +67,7 @@ class MeshingDialog(PamhyrDialog):
         )
 
         self.combobox_add_items(
-            "comboBox_lm", ["1","2","3"]
+            "comboBox_lm", ["1", "2", "3"]
         )
         self.set_combobox_text("comboBox_lm", self._lm)
 
@@ -87,7 +87,7 @@ class MeshingDialog(PamhyrDialog):
 
     @property
     def profiles(self):
-        if self._profiles == None:
+        if self._profiles is None:
             self._profiles = list(
                 map(
                     lambda p: self._profile_name(p),