diff --git a/pre_commit_hooks/check_builtin_literals.py b/pre_commit_hooks/check_builtin_literals.py
index 874c68c..4ddaa8c 100644
--- a/pre_commit_hooks/check_builtin_literals.py
+++ b/pre_commit_hooks/check_builtin_literals.py
@@ -21,22 +21,23 @@
 }
 
 
-BuiltinTypeCall = collections.namedtuple('BuiltinTypeCall', ['name', 'line', 'column'])
+Call = collections.namedtuple('Call', ['name', 'line', 'column'])
 
 
-class BuiltinTypeVisitor(ast.NodeVisitor):
+class Visitor(ast.NodeVisitor):
     def __init__(self, ignore=None, allow_dict_kwargs=True):
         # type: (Optional[Sequence[str]], bool) -> None
-        self.builtin_type_calls = []  # type: List[BuiltinTypeCall]
+        self.builtin_type_calls = []  # type: List[Call]
         self.ignore = set(ignore) if ignore else set()
         self.allow_dict_kwargs = allow_dict_kwargs
 
     def _check_dict_call(self, node):  # type: (ast.Call) -> bool
-
-        return self.allow_dict_kwargs and (getattr(node, 'kwargs', None) or getattr(node, 'keywords', None))
+        return (
+            self.allow_dict_kwargs and
+            (getattr(node, 'kwargs', None) or getattr(node, 'keywords', None))
+        )
 
     def visit_Call(self, node):  # type: (ast.Call) -> None
-
         if not isinstance(node.func, ast.Name):
             # Ignore functions that are object attributes (`foo.bar()`).
             # Assume that if the user calls `builtins.list()`, they know what
@@ -49,15 +50,15 @@
         elif node.args:
             return
         self.builtin_type_calls.append(
-            BuiltinTypeCall(node.func.id, node.lineno, node.col_offset),
+            Call(node.func.id, node.lineno, node.col_offset),
         )
 
 
-def check_file_for_builtin_type_constructors(filename, ignore=None, allow_dict_kwargs=True):
-    # type: (str, Optional[Sequence[str]], bool) -> List[BuiltinTypeCall]
+def check_file(filename, ignore=None, allow_dict_kwargs=True):
+    # type: (str, Optional[Sequence[str]], bool) -> List[Call]
     with open(filename, 'rb') as f:
         tree = ast.parse(f.read(), filename=filename)
-    visitor = BuiltinTypeVisitor(ignore=ignore, allow_dict_kwargs=allow_dict_kwargs)
+    visitor = Visitor(ignore=ignore, allow_dict_kwargs=allow_dict_kwargs)
     visitor.visit(tree)
     return visitor.builtin_type_calls
 
@@ -73,14 +74,17 @@
 
     mutex = parser.add_mutually_exclusive_group(required=False)
     mutex.add_argument('--allow-dict-kwargs', action='store_true')
-    mutex.add_argument('--no-allow-dict-kwargs', dest='allow_dict_kwargs', action='store_false')
+    mutex.add_argument(
+        '--no-allow-dict-kwargs',
+        dest='allow_dict_kwargs', action='store_false',
+    )
     mutex.set_defaults(allow_dict_kwargs=True)
 
     args = parser.parse_args(argv)
 
     rc = 0
     for filename in args.filenames:
-        calls = check_file_for_builtin_type_constructors(
+        calls = check_file(
             filename,
             ignore=args.ignore,
             allow_dict_kwargs=args.allow_dict_kwargs,
@@ -89,7 +93,8 @@
             rc = rc or 1
         for call in calls:
             print(
-                '{filename}:{call.line}:{call.column} - Replace {call.name}() with {replacement}'.format(
+                '{filename}:{call.line}:{call.column}: '
+                'replace {call.name}() with {replacement}'.format(
                     filename=filename,
                     call=call,
                     replacement=BUILTIN_TYPES[call.name],