pep8 linting (blank lines expectations)

E301 expected 1 blank line, found 0
E302 expected 2 blank lines, found 1
E303 too many blank lines (n)

1 files changed, 10 insertions, 0 deletions

diff --git a/git/exc.py b/git/exc.py
index fac7cde5..db78853e 100644
--- a/git/exc.py
+++ b/git/exc.py
@@ -7,16 +7,21 @@
 
 from gitdb.exc import *
 
+
 class InvalidGitRepositoryError(Exception):
+
     """ Thrown if the given repository appears to have an invalid format.  """
 
 
 class NoSuchPathError(OSError):
+
     """ Thrown if a path could not be access by the system. """
 
 
 class GitCommandError(Exception):
+
     """ Thrown if execution of the git command fails with non-zero status code. """
+
     def __init__(self, command, status, stderr=None, stdout=None):
         self.stderr = stderr
         self.stdout = stdout
@@ -32,6 +37,7 @@ class GitCommandError(Exception):
 
 
 class CheckoutError( Exception ):
+
     """Thrown if a file could not be checked out from the index as it contained
     changes.
 
@@ -44,6 +50,7 @@ class CheckoutError( Exception ):
     The .valid_files attribute contains a list of relative paths to files that
     were checked out successfully and hence match the version stored in the
     index"""
+
     def __init__(self, message, failed_files, valid_files, failed_reasons):
         Exception.__init__(self, message)
         self.failed_files = failed_files
@@ -55,8 +62,11 @@ class CheckoutError( Exception ):
 
 
 class CacheError(Exception):
+
     """Base for all errors related to the git index, which is called cache internally"""
 
+
 class UnmergedEntriesError(CacheError):
+
     """Thrown if an operation cannot proceed as there are still unmerged 
     entries in the cache"""