another round of flake8 and pylint

Author: chriddyp

Diff for: dash/dash.py

@@ -402,12 +402,13 @@ def _validate_callback(self, output, inputs, state, events):
                             "{}" doesn't have "{}" as a property.\n
                             Here is a list of the available properties in "{}":
                             {}
-                        '''.format(arg.component_property,
-                                   arg.component_id,
-                                   arg.component_property,
-                                   arg.component_id,
-                                   component.available_properties)
-                                   .replace('    ', ''))
+                        '''.format(
+                            arg.component_property,
+                            arg.component_id,
+                            arg.component_property,
+                            arg.component_id,
+                            component.available_properties).replace(
+                                '    ', ''))
 
                     if (hasattr(arg, 'component_event') and
                             arg.component_event not in
@@ -418,12 +419,12 @@ def _validate_callback(self, output, inputs, state, events):
                             "{}" doesn't have "{}" as an event.\n
                             Here is a list of the available events in "{}":
                             {}
-                        '''.format(arg.component_event,
-                                   arg.component_id,
-                                   arg.component_event,
-                                   arg.component_id,
-                                   component.available_events)
-                                   .replace('    ', ''))
+                        '''.format(
+                            arg.component_event,
+                            arg.component_id,
+                            arg.component_event,
+                            arg.component_id,
+                            component.available_events).replace('    ', ''))
 
         if state and not events and not inputs:
             raise exceptions.MissingEventsException('''

Diff for: dash/development/base_component.py

@@ -259,6 +259,7 @@ def __repr__(self):
     d = c.format(**locals())
 
     scope = {'Component': Component}
+    # pylint: disable=exec-used
     exec(d, scope)
     result = scope[typename]
     return result