Fix PEP8 errors

Author: dhimmel

pandas/io/common.py

@@ -201,7 +201,7 @@ def get_filepath_or_buffer(filepath_or_buffer, encoding=None,
     -------
     a filepath_or_buffer, the encoding, the compression
     """
-    
+
     if _is_url(filepath_or_buffer):
         url = str(filepath_or_buffer)
         req = _urlopen(url)

pandas/io/parsers.py

@@ -360,6 +360,7 @@ def _validate_nrows(nrows):
     'xz': '.xz',
 }
 
+
 def _infer_compression(filepath_or_buffer):
     """
     Infer compression of a filepath or buffer. In case of buffer, compression
@@ -374,6 +375,7 @@ def _infer_compression(filepath_or_buffer):
             return compression
     return None
 
+
 def _read(filepath_or_buffer, kwds):
     """Generic reader of line files."""
     encoding = kwds.get('encoding', None)

pandas/io/tests/parser/test_network.py

@@ -16,14 +16,14 @@
 
 
 class TestCompressedUrl(object):
-    
+
     compression_to_extension = {
         'gzip': '.gz',
         'bz2': '.bz2',
         'zip': '.zip',
         'xz': '.xz',
     }
-    
+
     def __init__(self):
         path = os.path.join(tm.get_data_path(), 'salaries.csv')
         self.local_table = read_table(path)
@@ -34,7 +34,7 @@ def test_compressed_urls(self):
         """Test reading compressed tables from URL."""
         msg = ('Test reading {}-compressed tables from URL: '
                'compression="{}", engine="{}"')
-        
+
         for compression, extension in self.compression_to_extension.items():
             url = self.base_url + extension
             # args is a (compression, engine) tuple