fix style

tools/pb2py

@@ -74,13 +74,13 @@ def process_message_imports(descriptor):
 
 
 def create_init_method(fields):
-    yield         "    def __init__("
-    yield         "        self,"
+    yield         "    def __init__("                                              # noqa: E271
+    yield         "        self,"                                                  # noqa: E271
     for field in fields[:-1]:
-        yield     "        %s: %s = None," % (field.name, field.py_type)
+        yield     "        %s: %s = None," % (field.name, field.py_type)           # noqa: E271
     # last field must not have a traling comma
-    yield         "        %s: %s = None" % (fields[-1].name, fields[-1].py_type)
-    yield         "    ) -> None:"
+    yield         "        %s: %s = None" % (fields[-1].name, fields[-1].py_type)  # noqa: E271
+    yield         "    ) -> None:"                                                 # noqa: E271
 
     for field in fields:
         if field.repeated: