CLN: Remove try-except in parse_dates test

Author: swyoon

pandas/tests/io/parser/parse_dates.py

@@ -16,7 +16,6 @@
 import pytz
 import pandas as pd
 import pandas.io.parsers as parsers
-import pandas.core.tools.datetimes as tools
 import pandas.util.testing as tm
 
 import pandas.io.date_converters as conv
@@ -357,21 +356,13 @@ def test_parse_dates_custom_euroformat(self):
 
     def test_parse_tz_aware(self):
         # See gh-1693
-        import pytz
         data = StringIO("Date,x\n2012-06-13T01:39:00Z,0.5")
 
         # it works
         result = self.read_csv(data, index_col=0, parse_dates=True)
         stamp = result.index[0]
         assert stamp.minute == 39
-        try:
-            assert result.index.tz is pytz.utc
-        except AssertionError:
-            arr = result.index.to_pydatetime()
-            result = tools.to_datetime(arr, utc=True)[0]
-            assert stamp.minute == result.minute
-            assert stamp.hour == result.hour
-            assert stamp.day == result.day
+        assert result.index.tz is pytz.utc
 
     def test_multiple_date_cols_index(self):
         data = """
@@ -677,6 +668,7 @@ def test_parse_date_float(self, data, expected, parse_dates):
         tm.assert_frame_equal(result, expected)
 
     def test_parse_timezone(self):
+        # gh-22256
         data = """dt,val
                   2018-01-04 09:01:00+09:00,23350
                   2018-01-04 09:02:00+09:00,23400