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)

6 files changed, 12 insertions, 10 deletions

diff --git a/git/refs/head.py b/git/refs/head.py
index 1b3e7f00..662c2c87 100644
--- a/git/refs/head.py
+++ b/git/refs/head.py
@@ -10,8 +10,8 @@ from git.exc import GitCommandError
 __all__ = ["HEAD", "Head"]
 
 
-
 class HEAD(SymbolicReference):
+
     """Special case of a Symbolic Reference as it represents the repository's 
     HEAD reference."""
     _HEAD_NAME = 'HEAD'
@@ -92,6 +92,7 @@ class HEAD(SymbolicReference):
 
 
 class Head(Reference):
+
     """A Head is a named reference to a Commit. Every Head instance contains a name
     and a Commit object.
 
@@ -151,7 +152,6 @@ class Head(Reference):
 
         return self
 
-
     def tracking_branch(self):
         """
         :return: The remote_reference we are tracking, or None if we are 
diff --git a/git/refs/log.py b/git/refs/log.py
index d5d8d7d4..8917f3fa 100644
--- a/git/refs/log.py
+++ b/git/refs/log.py
@@ -28,6 +28,7 @@ __all__ = ["RefLog", "RefLogEntry"]
 
 
 class RefLogEntry(tuple):
+
     """Named tuple allowing easy access to the revlog data fields"""
     _fmt = "%s %s %s <%s> %i %s\t%s\n"
     _re_hexsha_only = re.compile('^[0-9A-Fa-f]{40}$')
@@ -106,6 +107,7 @@ class RefLogEntry(tuple):
 
 
 class RefLog(list, Serializable):
+
     """A reflog contains reflog entries, each of which defines a certain state
     of the head in question. Custom query methods allow to retrieve log entries 
     by date or by other criteria.
diff --git a/git/refs/reference.py b/git/refs/reference.py
index d8f0c70f..a8ecc95d 100644
--- a/git/refs/reference.py
+++ b/git/refs/reference.py
@@ -12,8 +12,11 @@ from gitdb.util import (
 __all__ = ["Reference"]
 
 #{ Utilities
+
+
 def require_remote_ref_path(func):
     """A decorator raising a TypeError if we are not a valid remote, based on the path"""
+
     def wrapper(self, *args):
         if not self.path.startswith(self._remote_common_path_default + "/"):
             raise ValueError("ref path does not point to a remote reference: %s" % self.path)
@@ -25,6 +28,7 @@ def require_remote_ref_path(func):
 
 
 class Reference(SymbolicReference, LazyMixin, Iterable):
+
     """Represents a named reference to any object. Subclasses may apply restrictions though, 
     i.e. Heads can only point to commits."""
     __slots__ = tuple()
@@ -45,7 +49,6 @@ class Reference(SymbolicReference, LazyMixin, Iterable):
             raise ValueError("Cannot instantiate %r from path %s" % (self.__class__.__name__, path))
         super(Reference, self).__init__(repo, path)
 
-
     def __str__(self):
         return self.name
 
@@ -99,7 +102,6 @@ class Reference(SymbolicReference, LazyMixin, Iterable):
 
     #}END interface
 
-
     #{ Remote Interface
 
     @property
diff --git a/git/refs/remote.py b/git/refs/remote.py
index 4c73b094..6dd0856c 100644
--- a/git/refs/remote.py
+++ b/git/refs/remote.py
@@ -9,10 +9,10 @@ __all__ = ["RemoteReference"]
 
 
 class RemoteReference(Head):
+
     """Represents a reference pointing to a remote head."""
     _common_path_default = Head._remote_common_path_default
 
-
     @classmethod
     def iter_items(cls, repo, common_path = None, remote=None):
         """Iterate remote references, and if given, constrain them to the given remote"""
diff --git a/git/refs/symbolic.py b/git/refs/symbolic.py
index 7a4bf59b..6832b8f2 100644
--- a/git/refs/symbolic.py
+++ b/git/refs/symbolic.py
@@ -23,7 +23,9 @@ from log import RefLog
 
 __all__ = ["SymbolicReference"]
 
+
 class SymbolicReference(object):
+
     """Represents a special case of a reference such that this reference is symbolic.
     It does not point to a specific commit, but to another Head, which itself 
     specifies a commit.
@@ -204,7 +206,6 @@ class SymbolicReference(object):
 
         return self
 
-
     def set_object(self, object, logmsg = None):
         """Set the object we point to, possibly dereference our symbolic reference first.
         If the reference does not exist, it will be created
@@ -309,7 +310,6 @@ class SymbolicReference(object):
 
         return self
 
-
     # aliased reference
     reference = property(_get_reference, set_reference, doc="Returns the Reference we point to")
     ref = reference
@@ -441,7 +441,6 @@ class SymbolicReference(object):
             os.remove(reflog_path)
         #END remove reflog
 
-
     @classmethod
     def _create(cls, repo, path, resolve, reference, force, logmsg=None):
         """internal method used to create a new symbolic reference.
diff --git a/git/refs/tag.py b/git/refs/tag.py
index 110fc612..2845ec7c 100644
--- a/git/refs/tag.py
+++ b/git/refs/tag.py
@@ -3,8 +3,8 @@ from reference import Reference
 __all__ = ["TagReference", "Tag"]
 
 
-
 class TagReference(Reference):
+
     """Class representing a lightweight tag reference which either points to a commit 
     ,a tag object or any other object. In the latter case additional information, 
     like the signature or the tag-creator, is available.
@@ -86,6 +86,5 @@ class TagReference(Reference):
         repo.git.tag("-d", *tags)
 
 
-
 # provide an alias
 Tag = TagReference