Fix import format at pandas/tests/io/parser directory

pandas/tests/io/parser/c_parser_only.py

@@ -11,14 +11,14 @@
 import sys
 import tarfile
 
-import pytest
 import numpy as np
+import pytest
 
 import pandas as pd
-import pandas.util.testing as tm
 import pandas.util._test_decorators as td
+import pandas.util.testing as tm
 from pandas import DataFrame
-from pandas.compat import StringIO, range, lrange
+from pandas.compat import StringIO, lrange, range
 
 
 class CParserTests(object):

pandas/tests/io/parser/comment.py

@@ -6,8 +6,8 @@
 """
 
 import numpy as np
-import pandas.util.testing as tm
 
+import pandas.util.testing as tm
 from pandas import DataFrame
 from pandas.compat import StringIO
 

pandas/tests/io/parser/common.py

@@ -1,26 +1,23 @@
 # -*- coding: utf-8 -*-
 
+import codecs
 import csv
 import os
 import platform
-import codecs
-
 import re
 import sys
-from datetime import datetime
 from collections import OrderedDict
+from datetime import datetime
 from io import TextIOWrapper
 
-import pytest
 import numpy as np
-from pandas._libs.tslib import Timestamp
+import pytest
 
 import pandas as pd
 import pandas.util.testing as tm
-from pandas import DataFrame, Series, Index, MultiIndex
-from pandas import compat
-from pandas.compat import (StringIO, BytesIO, PY3,
-                           range, lrange, u)
+from pandas import DataFrame, Index, MultiIndex, Series, compat
+from pandas._libs.tslib import Timestamp
+from pandas.compat import PY3, BytesIO, StringIO, lrange, range, u
 from pandas.errors import DtypeWarning, EmptyDataError, ParserError
 from pandas.io.common import URLError
 from pandas.io.parsers import TextFileReader, TextParser

pandas/tests/io/parser/compression.py

@@ -5,15 +5,16 @@
 of the parsers defined in parsers.py
 """
 
+import bz2
+import gzip
+
 import pytest
 
 import pandas as pd
 import pandas.compat as compat
-import pandas.util.testing as tm
 import pandas.util._test_decorators as td
+import pandas.util.testing as tm
 
-import gzip
-import bz2
 try:
     lzma = compat.import_lzma()
 except ImportError:

pandas/tests/io/parser/converters.py

@@ -7,15 +7,14 @@
 
 from datetime import datetime
 
+import numpy as np
 import pytest
 
-import numpy as np
 import pandas as pd
 import pandas.util.testing as tm
-
-from pandas._libs.tslib import Timestamp
 from pandas import DataFrame, Index
-from pandas.compat import parse_date, StringIO, lmap
+from pandas._libs.tslib import Timestamp
+from pandas.compat import StringIO, lmap, parse_date
 
 
 class ConverterTests(object):

pandas/tests/io/parser/dialect.py

@@ -7,12 +7,11 @@
 
 import csv
 
+import pandas.util.testing as tm
 from pandas import DataFrame
 from pandas.compat import StringIO
 from pandas.errors import ParserWarning
 
-import pandas.util.testing as tm
-
 
 class DialectTests(object):
 

pandas/tests/io/parser/dtypes.py

@@ -5,13 +5,12 @@
 for all of the parsers defined in parsers.py
 """
 
+import numpy as np
 import pytest
 
-import numpy as np
 import pandas as pd
 import pandas.util.testing as tm
-
-from pandas import DataFrame, Series, Index, MultiIndex, Categorical
+from pandas import Categorical, DataFrame, Index, MultiIndex, Series
 from pandas.compat import StringIO
 from pandas.core.dtypes.dtypes import CategoricalDtype
 from pandas.errors import ParserWarning

pandas/tests/io/parser/header.py

@@ -7,11 +7,10 @@
 
 from collections import namedtuple
 
+import numpy as np
 import pytest
 
-import numpy as np
 import pandas.util.testing as tm
-
 from pandas import DataFrame, Index, MultiIndex
 from pandas.compat import StringIO, lrange, u
 

pandas/tests/io/parser/index_col.py

@@ -9,7 +9,6 @@
 import pytest
 
 import pandas.util.testing as tm
-
 from pandas import DataFrame, Index, MultiIndex
 from pandas.compat import StringIO
 

pandas/tests/io/parser/mangle_dupes.py

@@ -6,10 +6,9 @@
 de-duplicated (if mangling requested) or ignored otherwise.
 """
 
-from pandas.compat import StringIO
-from pandas import DataFrame
-
 import pandas.util.testing as tm
+from pandas import DataFrame
+from pandas.compat import StringIO
 
 
 class DupeColumnTests(object):

pandas/tests/io/parser/multithread.py

@@ -6,12 +6,13 @@
 """
 
 from __future__ import division
+
 from multiprocessing.pool import ThreadPool
 
 import numpy as np
+
 import pandas as pd
 import pandas.util.testing as tm
-
 from pandas import DataFrame
 from pandas.compat import BytesIO, range
 

pandas/tests/io/parser/na_values.py

@@ -5,13 +5,12 @@
 parsing for all of the parsers defined in parsers.py
 """
 
-import pytest
 import numpy as np
+import pytest
 from numpy import nan
 
 import pandas.io.common as com
 import pandas.util.testing as tm
-
 from pandas import DataFrame, Index, MultiIndex
 from pandas.compat import StringIO, range
 

pandas/tests/io/parser/parse_dates.py

@@ -5,23 +5,21 @@
 parsers defined in parsers.py
 """
 
+from datetime import date, datetime
 from distutils.version import LooseVersion
-from datetime import datetime, date
 
-import pytest
 import numpy as np
-from pandas._libs.tslibs import parsing
-from pandas._libs.tslib import Timestamp
-
+import pytest
 import pytz
+
 import pandas as pd
+import pandas.io.date_converters as conv
 import pandas.io.parsers as parsers
 import pandas.util.testing as tm
-
-import pandas.io.date_converters as conv
-from pandas import DataFrame, Series, Index, DatetimeIndex, MultiIndex
-from pandas import compat
-from pandas.compat import parse_date, StringIO, lrange
+from pandas import DataFrame, DatetimeIndex, Index, MultiIndex, Series, compat
+from pandas._libs.tslib import Timestamp
+from pandas._libs.tslibs import parsing
+from pandas.compat import StringIO, lrange, parse_date
 from pandas.compat.numpy import np_array_datetime64_compat
 from pandas.core.indexes.datetimes import date_range
 

pandas/tests/io/parser/python_parser_only.py

@@ -8,13 +8,13 @@
 """
 
 import csv
+
 import pytest
 
 import pandas.util.testing as tm
-from pandas import DataFrame, Index
-from pandas import compat
+from pandas import DataFrame, Index, compat
+from pandas.compat import BytesIO, StringIO, u
 from pandas.errors import ParserError
-from pandas.compat import StringIO, BytesIO, u
 
 
 class PythonParserTests(object):

pandas/tests/io/parser/quoting.py

@@ -6,11 +6,11 @@
 """
 
 import csv
-import pandas.util.testing as tm
 
+import pandas.util.testing as tm
 from pandas import DataFrame
-from pandas.errors import ParserError
 from pandas.compat import PY3, StringIO, u
+from pandas.errors import ParserError
 
 
 class QuotingTests(object):

pandas/tests/io/parser/skiprows.py

@@ -10,10 +10,9 @@
 import numpy as np
 
 import pandas.util.testing as tm
-
 from pandas import DataFrame
+from pandas.compat import StringIO, lrange, range
 from pandas.errors import EmptyDataError
-from pandas.compat import StringIO, range, lrange
 
 
 class SkipRowsTests(object):

pandas/tests/io/parser/test_network.py

@@ -6,14 +6,14 @@
 """
 import logging
 
-import pytest
 import numpy as np
+import pytest
 
-import pandas.util.testing as tm
 import pandas.util._test_decorators as td
+import pandas.util.testing as tm
 from pandas import DataFrame
-from pandas.io.parsers import read_csv
 from pandas.compat import BytesIO, StringIO
+from pandas.io.parsers import read_csv
 
 
 @pytest.mark.network

pandas/tests/io/parser/test_parsers.py

@@ -1,31 +1,32 @@
 # -*- coding: utf-8 -*-
 
 import os
+
 import pytest
-import pandas.util.testing as tm
 
-from pandas import read_csv, read_table, DataFrame
 import pandas.core.common as com
+import pandas.util.testing as tm
+from pandas import DataFrame, read_csv, read_table
 from pandas._libs.tslib import Timestamp
 from pandas.compat import StringIO
 
-from .common import ParserTests
-from .header import HeaderTests
+from .c_parser_only import CParserTests
 from .comment import CommentTests
+from .common import ParserTests
+from .compression import CompressionTests
+from .converters import ConverterTests
 from .dialect import DialectTests
-from .quoting import QuotingTests
-from .usecols import UsecolsTests
-from .skiprows import SkipRowsTests
+from .dtypes import DtypeTests
+from .header import HeaderTests
 from .index_col import IndexColTests
-from .na_values import NAvaluesTests
-from .converters import ConverterTests
-from .c_parser_only import CParserTests
-from .parse_dates import ParseDatesTests
-from .compression import CompressionTests
 from .mangle_dupes import DupeColumnTests
 from .multithread import MultithreadTests
+from .na_values import NAvaluesTests
+from .parse_dates import ParseDatesTests
 from .python_parser_only import PythonParserTests
-from .dtypes import DtypeTests
+from .quoting import QuotingTests
+from .skiprows import SkipRowsTests
+from .usecols import UsecolsTests
 
 
 class BaseParser(CommentTests, CompressionTests,

pandas/tests/io/parser/test_read_fwf.py

@@ -8,15 +8,14 @@
 
 from datetime import datetime
 
-import pytest
 import numpy as np
+import pytest
+
 import pandas as pd
 import pandas.util.testing as tm
-
-from pandas import DataFrame
-from pandas import compat
-from pandas.compat import StringIO, BytesIO
-from pandas.io.parsers import read_csv, read_fwf, EmptyDataError
+from pandas import DataFrame, compat
+from pandas.compat import BytesIO, StringIO
+from pandas.io.parsers import EmptyDataError, read_csv, read_fwf
 
 
 class TestFwfParsing(object):

pandas/tests/io/parser/test_textreader.py

@@ -5,25 +5,20 @@
 is integral to the C engine in parsers.py
 """
 
-import pytest
-
-from pandas.compat import StringIO, BytesIO, map
-from pandas import compat
-
 import os
 import sys
 
-from numpy import nan
 import numpy as np
+import pytest
+from numpy import nan
 
-from pandas import DataFrame
-from pandas.io.parsers import (read_csv, TextFileReader)
-from pandas.util.testing import assert_frame_equal
-
+import pandas._libs.parsers as parser
 import pandas.util.testing as tm
-
+from pandas import DataFrame, compat
 from pandas._libs.parsers import TextReader
-import pandas._libs.parsers as parser
+from pandas.compat import BytesIO, StringIO, map
+from pandas.io.parsers import TextFileReader, read_csv
+from pandas.util.testing import assert_frame_equal
 
 
 class TestTextReader(object):