diff --git a/src/core/controller_data.py b/src/core/controller_data.py
index bd1c03e..a242039 100644
--- a/src/core/controller_data.py
+++ b/src/core/controller_data.py
@@ -70,7 +70,6 @@ class ControllerData:
         self.src_buffer              = GtkSource.Buffer(max_undo_levels = 0)
         self.src_preview             = self.builder.get_object('src_preview')
 
-
         self.scheme_manager          = GtkSource.StyleSchemeManager()
         self.language_manager        = GtkSource.LanguageManager()
         self.all_styles_dict         = collections.OrderedDict()
diff --git a/src/core/mixins/signals/widget_signals/dialog_signals_mixin.py b/src/core/mixins/signals/widget_signals/dialog_signals_mixin.py
index bd3b052..50a0a70 100644
--- a/src/core/mixins/signals/widget_signals/dialog_signals_mixin.py
+++ b/src/core/mixins/signals/widget_signals/dialog_signals_mixin.py
@@ -41,34 +41,35 @@ class DialogSignalsMixin():
         self.load_scheme(path)
 
     def on_save_clicked(self, param):
-        if not self.origSchemeFile:
-            filename = run_save_as_dialog(self.window, self.entryId.get_text() + '.xml')
+        if not self.orig_scheme_file:
+            filename = self.run_save_as_dialog(self.window, self.id_entry.get_text() + '.xml')
 
             if filename and not '.' in os.path.basename(filename):
                 filename = f"{filename}.xml"
 
             if filename:
-                self.write_scheme(filename, self.entryId.get_text())
-                self.origSchemeFile = filename
+                self.write_scheme(filename, self.id_entry.get_text())
+                self.orig_scheme_file = filename
         else:
-            self.write_scheme(self.origSchemeFile, self.entryId.get_text())
+            self.write_scheme(self.orig_scheme_file, self.id_entry.get_text())
 
     def on_save_as_clicked(self, param):
-        filename = run_save_as_dialog(self.window, self.entryId.get_text() + '.xml')
+        filename = self.run_save_as_dialog(self.window, self.id_entry.get_text() + '.xml')
         if filename and not '.' in os.path.basename(filename):
             filename = f"{filename}.xml"
 
         if filename:
-            self.write_scheme(filename, self.entryId.get_text())
-            self.origSchemeFile = filename
+            self.write_scheme(filename, self.id_entry.get_text())
+            self.orig_scheme_file = filename
 
 
     def message_dialog(
+        self,
         dialog_type,
         short_msg,
         long_msg = None,
-        parent  = None,
-        buttons = Gtk.ButtonsType.OK,
+        parent   = None,
+        buttons  = Gtk.ButtonsType.OK,
         additional_buttons = None
     ):
         dialog = Gtk.MessageDialog(parent = parent, flags = Gtk.DialogFlags.MODAL, type = dialog_type, buttons = buttons)
@@ -97,7 +98,7 @@ class DialogSignalsMixin():
 
         return response
 
-    def run_save_as_dialog(parent, current_name):
+    def run_save_as_dialog(self, parent, current_name):
         file_chooser = Gtk.FileChooserDialog('Save As', parent, Gtk.FileChooserAction.SAVE, (Gtk.STOCK_CANCEL, Gtk.ResponseType.CANCEL, Gtk.STOCK_SAVE, Gtk.ResponseType.OK))
 
         file_filter = Gtk.FileFilter()
@@ -136,4 +137,4 @@ class DialogSignalsMixin():
             if result == Gtk.ResponseType.YES: break
 
         file_chooser.destroy()
-        return path
\ No newline at end of file
+        return path
diff --git a/src/core/mixins/signals/widget_signals/sourceview_signals_mixin.py b/src/core/mixins/signals/widget_signals/sourceview_signals_mixin.py
index 9daea6d..516f1a2 100644
--- a/src/core/mixins/signals/widget_signals/sourceview_signals_mixin.py
+++ b/src/core/mixins/signals/widget_signals/sourceview_signals_mixin.py
@@ -52,14 +52,14 @@ class SourceviewSignalsMixin:
             this_scheme = self.scheme_manager.get_scheme(scheme_id_or_file)
             if not this_scheme: return False
 
-        self.currentScheme = this_scheme
+        self.current_scheme = this_scheme
 
         self.name_entry.set_text( this_scheme.get_name() )
         self.authr_entry.set_text( ', '.join( this_scheme.get_authors() ) )
         self.desc_entry.set_text( this_scheme.get_description() )
         self.id_entry.set_text( this_scheme.get_id() )
 
-        scheme_file = self.currentScheme.get_filename()
+        scheme_file = self.current_scheme.get_filename()
         with open(scheme_file, 'r') as f:
             xml_tree = ET.parse(f)
 
@@ -67,12 +67,12 @@ class SourceviewSignalsMixin:
         self.all_styles_dict.clear()
 
         for style_elem in style_elems:
-            this_style = self.currentScheme.get_style(style_elem.attrib['name'])
+            this_style = self.current_scheme.get_style(style_elem.attrib['name'])
             styleProps = StyleProperties()
             styleProps.from_gtk_source_style(this_style)
             self.all_styles_dict[style_elem.attrib['name']] = styleProps;
 
-        self.src_buffer.set_style_scheme(self.currentScheme);
+        self.src_buffer.set_style_scheme(self.current_scheme);
 
         # set up temp file so the sample view can be updated
         self.temp_scheme_id   = f"{this_scheme.get_id()}_temp"
@@ -104,4 +104,4 @@ class SourceviewSignalsMixin:
             except:
                 return False
 
-        return True
+        return True
\ No newline at end of file
diff --git a/src/utils/languages.py b/src/utils/languages.py
index 1e8ea1d..514e89a 100644
--- a/src/utils/languages.py
+++ b/src/utils/languages.py
@@ -96,7 +96,7 @@ int main() {
         }
     }
 
-  return 0;
+    return 0;
 }
 """