Adhere to 80 chars line width

Author: Conengmo

kaggle/api/kaggle_api_extended.py

@@ -102,13 +102,15 @@ def authenticate(self):
         # Step 1: try getting username/password from environment
         config_data = self.read_config_environment(config_data)
 
-        # Step 2: if credentials were not in environment read in configuration file
-        if self.CONFIG_NAME_USER not in config_data or self.CONFIG_NAME_KEY not in config_data:
+        # Step 2: if credentials were not in env read in configuration file
+        if self.CONFIG_NAME_USER not in config_data \
+                or self.CONFIG_NAME_KEY not in config_data:
             if os.path.exists(self.config):
                 config_data = self.read_config_file(config_data)
             else:
-                raise IOError('Could not find kaggle.json. Make sure it\'s located in {}.'
-                              ' Or use the environment method.'.format(self.config_dir))
+                raise IOError('Could not find {}. Make sure it\'s located in'
+                              ' {}. Or use the environment method.'
+                              .format(self.config_file, self.config_dir))
 
         # Step 3: load into configuration!
         self._load_config(config_data)