run black against sanic module

sanic/config.py

@@ -4,7 +4,7 @@ import types
 from sanic.exceptions import PyFileError
 
 
-SANIC_PREFIX = 'SANIC_'
+SANIC_PREFIX = "SANIC_"
 
 
 class Config(dict):
@@ -65,9 +65,10 @@ class Config(dict):
         """
         config_file = os.environ.get(variable_name)
         if not config_file:
-            raise RuntimeError('The environment variable %r is not set and '
-                               'thus configuration could not be loaded.' %
-                               variable_name)
+            raise RuntimeError(
+                "The environment variable %r is not set and "
+                "thus configuration could not be loaded." % variable_name
+            )
         return self.from_pyfile(config_file)
 
     def from_pyfile(self, filename):
@@ -76,14 +77,16 @@ class Config(dict):
 
         :param filename: an absolute path to the config file
         """
-        module = types.ModuleType('config')
+        module = types.ModuleType("config")
         module.__file__ = filename
         try:
             with open(filename) as config_file:
-                exec(compile(config_file.read(), filename, 'exec'),
-                     module.__dict__)
+                exec(
+                    compile(config_file.read(), filename, "exec"),
+                    module.__dict__,
+                )
         except IOError as e:
-            e.strerror = 'Unable to load configuration file (%s)' % e.strerror
+            e.strerror = "Unable to load configuration file (%s)" % e.strerror
             raise
         except Exception as e:
             raise PyFileError(filename) from e