diff --git a/parserutils/collections.py b/parserutils/collections.py
index 42f9123..d247e7f 100644
--- a/parserutils/collections.py
+++ b/parserutils/collections.py
@@ -150,6 +150,7 @@ def flatten_items(items, recurse=False):
 
     return type(items)(flattened) if isinstance(items, _flatten_types) else flattened
 
+
 _flatten_types = (tuple, set)
 _flattened_types = (dict,) + STRING_TYPES
 
@@ -192,6 +193,7 @@ def remove_duplicates(items, in_reverse=False, is_unhashable=False):
 
     return unique if not in_reverse else unique[::-1]  # Restore original order
 
+
 _remove_dup_types = (tuple,) + STRING_TYPES
 _removed_dup_types = (dict, set)
 
@@ -244,6 +246,7 @@ def reduce_value(value, default=EMPTY_STR):
 
     return default if value is None else value
 
+
 _reduce_types = (list, tuple)
 
 
@@ -264,4 +267,5 @@ def wrap_value(value, include_empty=False):
 
     return value if include_empty else filter_empty(value, [])
 
+
 _wrap_types = (dict,) + STRING_TYPES
diff --git a/parserutils/strings.py b/parserutils/strings.py
index 379281c..d6f93a4 100644
--- a/parserutils/strings.py
+++ b/parserutils/strings.py
@@ -219,6 +219,7 @@ def to_ascii_equivalent(text):
     text = EMPTY_STR.join(_ASCII_PUNCTUATION_MAP.get(c, c) for c in text)
     return EMPTY_STR.join(c for c in unicodedata.normalize('NFD', text) if unicodedata.category(c) != 'Mn')
 
+
 _ASCII_PUNCTUATION_MAP = {
     # Hyphens and dashes
     u'\u2010': u'-', u'\u2011': u'-', u'\u2012': u'-', u'\u2013': u'-', u'\u2014': u'-', u'\u2015': u'-',