diff --git a/gooey/python_bindings/config_generator.py b/gooey/python_bindings/config_generator.py
index d641d2c..5145440 100644
--- a/gooey/python_bindings/config_generator.py
+++ b/gooey/python_bindings/config_generator.py
@@ -31,65 +31,65 @@ def create_from_parser(parser, source_path, **kwargs):
     else:
       run_cmd = '{} -u {}'.format(quote(sys.executable), quote(source_path))
 
-    build_spec = {
-        'language':             kwargs.get('language', 'english'),
-        'target':               run_cmd,
-        'program_name':         kwargs.get('program_name') or os.path.basename(sys.argv[0]).replace('.py', ''),
-        'program_description':  kwargs.get('program_description') or '',
-        'sidebar_title':        kwargs.get('sidebar_title', 'Actions'),
-        'default_size':         kwargs.get('default_size', (610, 530)),
-        'auto_start':           kwargs.get('auto_start', False),
-        'show_advanced':        kwargs.get('advanced', True),
-        'run_validators':       kwargs.get('run_validators', True),
-        'encoding':             kwargs.get('encoding', 'utf-8'),
-        'show_stop_warning':    kwargs.get('show_stop_warning', True),
-        'show_success_modal':   kwargs.get('show_success_modal', True),
-        'force_stop_is_error':  kwargs.get('force_stop_is_error', True),
-        'poll_external_updates':kwargs.get('poll_external_updates', False),
-        'return_to_config':     kwargs.get('return_to_config', False),
-
-        # Legacy/Backward compatibility interop
-        'use_legacy_titles':    kwargs.get('use_legacy_titles', True),
-        'num_required_cols':    kwargs.get('required_cols', 1),
-        'num_optional_cols':    kwargs.get('optional_cols', 3),
-        'manual_start':         False,
-        'monospace_display':    kwargs.get('monospace_display', False),
-
-        'image_dir':            kwargs.get('image_dir'),
-        'language_dir':         kwargs.get('language_dir'),
-        'progress_regex':       kwargs.get('progress_regex'),
-        'progress_expr':        kwargs.get('progress_expr'),
-        'disable_progress_bar_animation': kwargs.get('disable_progress_bar_animation'),
-        'disable_stop_button':  kwargs.get('disable_stop_button'),
-
-        # Layouts
-        'navigation':           kwargs.get('navigation', constants.SIDEBAR),
-        'show_sidebar':         kwargs.get('show_sidebar', False),
-        'tabbed_groups':        kwargs.get('tabbed_groups', False),
-        'group_by_type':        kwargs.get('group_by_type', True),
-
-        # styles
-        'body_bg_color':        kwargs.get('body_bg_color', '#f0f0f0'),
-        'header_bg_color':      kwargs.get('header_bg_color', '#ffffff'),
-        'header_height':        kwargs.get('header_height', 90),
-        'header_show_title':    kwargs.get('header_show_title', True),
-        'header_show_subtitle': kwargs.get('header_show_subtitle', True),
-        'header_image_center':  kwargs.get('header_image_center', False),
-        'footer_bg_color':      kwargs.get('footer_bg_color', '#f0f0f0'),
-        'sidebar_bg_color':     kwargs.get('sidebar_bg_color', '#f2f2f2'),
-        # font family, weight, and size are determined at runtime
-        'terminal_panel_color': kwargs.get('terminal_panel_color', '#F0F0F0'),
-        'terminal_font_color':  kwargs.get('terminal_font_color', '#000000'),
-        'terminal_font_family': kwargs.get('terminal_font_family', None),
-        'terminal_font_weight': kwargs.get('terminal_font_weight', None),
-        'terminal_font_size':   kwargs.get('terminal_font_size', None),
-        'error_color':          kwargs.get('error_color', '#ea7878')
-    }
-
-    if build_spec['monospace_display']:
-        warnings.warn('Gooey Option `monospace_display` is a legacy option.\n'
-                      'See the terminal_font_x options for more flexible control '
-                      'over Gooey\'s text formatting')
+  build_spec = {
+      'language':             kwargs.get('language', 'english'),
+      'target':               run_cmd,
+      'program_name':         kwargs.get('program_name') or os.path.basename(sys.argv[0]).replace('.py', ''),
+      'program_description':  kwargs.get('program_description') or '',
+      'sidebar_title':        kwargs.get('sidebar_title', 'Actions'),
+      'default_size':         kwargs.get('default_size', (610, 530)),
+      'auto_start':           kwargs.get('auto_start', False),
+      'show_advanced':        kwargs.get('advanced', True),
+      'run_validators':       kwargs.get('run_validators', True),
+      'encoding':             kwargs.get('encoding', 'utf-8'),
+      'show_stop_warning':    kwargs.get('show_stop_warning', True),
+      'show_success_modal':   kwargs.get('show_success_modal', True),
+      'force_stop_is_error':  kwargs.get('force_stop_is_error', True),
+      'poll_external_updates':kwargs.get('poll_external_updates', False),
+      'return_to_config':     kwargs.get('return_to_config', False),
+
+      # Legacy/Backward compatibility interop
+      'use_legacy_titles':    kwargs.get('use_legacy_titles', True),
+      'num_required_cols':    kwargs.get('required_cols', 1),
+      'num_optional_cols':    kwargs.get('optional_cols', 3),
+      'manual_start':         False,
+      'monospace_display':    kwargs.get('monospace_display', False),
+
+      'image_dir':            kwargs.get('image_dir'),
+      'language_dir':         kwargs.get('language_dir'),
+      'progress_regex':       kwargs.get('progress_regex'),
+      'progress_expr':        kwargs.get('progress_expr'),
+      'disable_progress_bar_animation': kwargs.get('disable_progress_bar_animation'),
+      'disable_stop_button':  kwargs.get('disable_stop_button'),
+
+      # Layouts
+      'navigation':           kwargs.get('navigation', constants.SIDEBAR),
+      'show_sidebar':         kwargs.get('show_sidebar', False),
+      'tabbed_groups':        kwargs.get('tabbed_groups', False),
+      'group_by_type':        kwargs.get('group_by_type', True),
+
+      # styles
+      'body_bg_color':        kwargs.get('body_bg_color', '#f0f0f0'),
+      'header_bg_color':      kwargs.get('header_bg_color', '#ffffff'),
+      'header_height':        kwargs.get('header_height', 90),
+      'header_show_title':    kwargs.get('header_show_title', True),
+      'header_show_subtitle': kwargs.get('header_show_subtitle', True),
+      'header_image_center':  kwargs.get('header_image_center', False),
+      'footer_bg_color':      kwargs.get('footer_bg_color', '#f0f0f0'),
+      'sidebar_bg_color':     kwargs.get('sidebar_bg_color', '#f2f2f2'),
+      # font family, weight, and size are determined at runtime
+      'terminal_panel_color': kwargs.get('terminal_panel_color', '#F0F0F0'),
+      'terminal_font_color':  kwargs.get('terminal_font_color', '#000000'),
+      'terminal_font_family': kwargs.get('terminal_font_family', None),
+      'terminal_font_weight': kwargs.get('terminal_font_weight', None),
+      'terminal_font_size':   kwargs.get('terminal_font_size', None),
+      'error_color':          kwargs.get('error_color', '#ea7878')
+  }
+
+  if build_spec['monospace_display']:
+      warnings.warn('Gooey Option `monospace_display` is a legacy option.\n'
+                    'See the terminal_font_x options for more flexible control '
+                    'over Gooey\'s text formatting')
 
 
   build_spec['program_description'] = parser.description or build_spec['program_description']