Use double quotes

multipart/__init__.py

@@ -1,16 +1,16 @@
 # This is the canonical package information.
-__author__ = 'Andrew Dunham'
-__license__ = 'Apache'
-__copyright__ = 'Copyright (c) 2012-2013, Andrew Dunham'
-__version__ = '0.0.8'
+__author__ = "Andrew Dunham"
+__license__ = "Apache"
+__copyright__ = "Copyright (c) 2012-2013, Andrew Dunham"
+__version__ = "0.0.8"
 
 from .multipart import FormParser, MultipartParser, OctetStreamParser, QuerystringParser, create_form_parser, parse_form
 
 __all__ = (
-    'FormParser',
-    'MultipartParser',
-    'OctetStreamParser',
-    'QuerystringParser',
-    'create_form_parser',
-    'parse_form',
+    "FormParser",
+    "MultipartParser",
+    "OctetStreamParser",
+    "QuerystringParser",
+    "create_form_parser",
+    "parse_form",
 )

multipart/decoders.py

@@ -59,7 +59,7 @@ def write(self, data):
             try:
                 decoded = base64.b64decode(val)
             except binascii.Error:
-                raise DecodeError('There was an error raised while decoding ' 'base64-encoded data.')
+                raise DecodeError("There was an error raised while decoding " "base64-encoded data.")
 
             self.underlying.write(decoded)
 
@@ -68,7 +68,7 @@ def write(self, data):
         if remaining_len > 0:
             self.cache = data[-remaining_len:]
         else:
-            self.cache = b''
+            self.cache = b""
 
         # Return the length of the data to indicate no error.
         return len(data)
@@ -77,7 +77,7 @@ def close(self):
         """Close this decoder.  If the underlying object has a `close()`
         method, this function will call it.
         """
-        if hasattr(self.underlying, 'close'):
+        if hasattr(self.underlying, "close"):
             self.underlying.close()
 
     def finalize(self):
@@ -91,14 +91,14 @@ def finalize(self):
         """
         if len(self.cache) > 0:
             raise DecodeError(
-                'There are %d bytes remaining in the ' 'Base64Decoder cache when finalize() is called' % len(self.cache)
+                "There are %d bytes remaining in the " "Base64Decoder cache when finalize() is called" % len(self.cache)
             )
 
-        if hasattr(self.underlying, 'finalize'):
+        if hasattr(self.underlying, "finalize"):
             self.underlying.finalize()
 
     def __repr__(self):
-        return f'{self.__class__.__name__}(underlying={self.underlying!r})'
+        return f"{self.__class__.__name__}(underlying={self.underlying!r})"
 
 
 class QuotedPrintableDecoder:
@@ -112,7 +112,7 @@ class QuotedPrintableDecoder:
     """
 
     def __init__(self, underlying):
-        self.cache = b''
+        self.cache = b""
         self.underlying = underlying
 
     def write(self, data):
@@ -128,11 +128,11 @@ def write(self, data):
         # If the last 2 characters have an '=' sign in it, then we won't be
         # able to decode the encoded value and we'll need to save it for the
         # next decoding step.
-        if data[-2:].find(b'=') != -1:
+        if data[-2:].find(b"=") != -1:
             enc, rest = data[:-2], data[-2:]
         else:
             enc = data
-            rest = b''
+            rest = b""
 
         # Encode and write, if we have data.
         if len(enc) > 0:
@@ -146,7 +146,7 @@ def close(self):
         """Close this decoder.  If the underlying object has a `close()`
         method, this function will call it.
         """
-        if hasattr(self.underlying, 'close'):
+        if hasattr(self.underlying, "close"):
             self.underlying.close()
 
     def finalize(self):
@@ -161,11 +161,11 @@ def finalize(self):
         # If we have a cache, write and then remove it.
         if len(self.cache) > 0:
             self.underlying.write(binascii.a2b_qp(self.cache))
-            self.cache = b''
+            self.cache = b""
 
         # Finalize our underlying stream.
-        if hasattr(self.underlying, 'finalize'):
+        if hasattr(self.underlying, "finalize"):
             self.underlying.finalize()
 
     def __repr__(self):
-        return f'{self.__class__.__name__}(underlying={self.underlying!r})'
+        return f"{self.__class__.__name__}(underlying={self.underlying!r})"