diff --git a/odml/format.py b/odml/format.py
index ffbb2918..48f0f64a 100644
--- a/odml/format.py
+++ b/odml/format.py
@@ -4,6 +4,7 @@
 and mappings of xml-attributes to their python class equivalents
 """
 
+
 class Format(object):
     _map = {}
     _rev_map = None
@@ -29,6 +30,7 @@ def __iter__(self):
     def create(self, *args, **kargs):
         return getattr(odml, self.__class__.__name__)(*args, **kargs)
 
+
 class Value(Format):
     _name = "value"
     _args = {
@@ -44,6 +46,7 @@ class Value(Format):
         }
     _map = {'type': 'dtype'}
 
+
 class Property(Format):
     _name = "property"
     _args = {
@@ -60,6 +63,7 @@ class Property(Format):
         'type': 'dtype'
         }
 
+
 class Section(Format):
     _name = "section"
     _args = {
@@ -79,6 +83,7 @@ class Section(Format):
         'property': 'properties',
         }
 
+
 class Document(Format):
     _name = "odML"
     _args = {
diff --git a/odml/tools/dumper.py b/odml/tools/dumper.py
index 2cd3df77..a60c7716 100644
--- a/odml/tools/dumper.py
+++ b/odml/tools/dumper.py
@@ -2,6 +2,7 @@
 Dumps ODML-Structures
 """
 
+
 def get_props(obj, props):
     out = []
     for p in props:
@@ -11,6 +12,7 @@ def get_props(obj, props):
                 out.append("%s=%s" % (p, repr(x)))
     return ", ".join(out)
 
+
 def dumpSection(section, indent=1):
     if section is None:
         return
@@ -25,6 +27,7 @@ def dumpSection(section, indent=1):
     for sub in section.sections:
         dumpSection(sub, indent * 2)
 
+
 def dumpDoc(doc):
     for sec in doc:
         dumpSection(sec)