Static code analysis and corrections

utils/venv/lib/python3.6/site-packages/pandas/_libs/__init__.py

@@ -0,0 +1,5 @@
+# -*- coding: utf-8 -*-
+# flake8: noqa
+
+from .tslibs import (
+    iNaT, NaT, Timestamp, Timedelta, OutOfBoundsDatetime, Period)

utils/venv/lib/python3.6/site-packages/pandas/_libs/tslibs/__init__.py

@@ -0,0 +1,9 @@
+# -*- coding: utf-8 -*-
+# flake8: noqa
+
+from .conversion import normalize_date, localize_pydatetime, tz_convert_single
+from .nattype import NaT, iNaT, is_null_datetimelike
+from .np_datetime import OutOfBoundsDatetime
+from .period import Period, IncompatibleFrequency
+from .timestamps import Timestamp
+from .timedeltas import delta_to_nanoseconds, ints_to_pytimedelta, Timedelta