PEP-8 fix.

web/pgadmin/browser/__init__.py

@@ -794,7 +794,8 @@ def set_master_password():
 
         # if master pass is set previously
         if current_user.masterpass_check is not None:
-            if data.get('button_click') and not validate_master_password(data.get('password')):
+            if data.get('button_click') and \
+                    not validate_master_password(data.get('password')):
                 return form_master_password_response(
                     existing=True,
                     present=False,