re-ran with pre-commit

Author: jcaoun

pandas/_libs/tslibs/timestamps.pyx

@@ -1941,7 +1941,10 @@ default 'raise'
         """
 
         if not isinstance(ambiguous, bool) and ambiguous not in {'NaT', 'raise'}:
-            raise ValueError("ambiguous parameter must be one of: True, False, 'NaT', 'raise' (default)")
+            raise ValueError(
+                        "ambiguous parameter must be one of: "
+                        "True, False, 'NaT', 'raise' (default)"
+                    )
 
         nonexistent_options = ('raise', 'NaT', 'shift_forward', 'shift_backward')
         if nonexistent not in nonexistent_options and not PyDelta_Check(nonexistent):

pandas/tests/scalar/timestamp/test_timezones.py

@@ -6,8 +6,6 @@
     datetime,
     timedelta,
 )
-
-# import dateutil
 import re
 
 from dateutil.tz import (
@@ -30,8 +28,6 @@
     Timestamp,
 )
 
-# import pandas.util._test_decorators as td
-
 
 class TestTimestampTZOperations:
     # --------------------------------------------------------------
@@ -342,22 +338,6 @@ def test_astimezone(self, tzstr):
         assert expected == result
         assert isinstance(result, Timestamp)
 
-    # @td.skip_if_windows
-    # def test_tz_convert_utc_with_system_utc(self):
-
-    #     # from system utc to real utc
-    #     ts = Timestamp("2001-01-05 11:56", tz=timezones.maybe_get_tz("dateutil/UTC"))
-    #     # check that the time hasn't changed.
-    #     assert ts == ts.tz_convert(dateutil.tz.tzutc())
-
-    #     # from system utc to real utc
-    #     ts = Timestamp("2001-01-05 11:56", tz=timezones.maybe_get_tz("dateutil/UTC"))
-    #     # check that the time hasn't changed.
-    #     assert ts == ts.tz_convert(dateutil.tz.tzutc())
-
-    # ------------------------------------------------------------------
-    # Timestamp.__init__ with tz str or tzinfo
-
     def test_timestamp_constructor_tz_utc(self):
         utc_stamp = Timestamp("3/11/2012 05:00", tz="utc")
         assert utc_stamp.tzinfo is pytz.utc