[utils] PEP 8

youtube_dl/utils.py

@@ -273,6 +273,7 @@ def get_element_by_attribute(attribute, value, html):
 
     return unescapeHTML(res)
 
+
 class HTMLAttributeParser(compat_HTMLParser):
     """Trivial HTML parser to gather the attributes for a single element"""
     def __init__(self):
@@ -282,6 +283,7 @@ class HTMLAttributeParser(compat_HTMLParser):
     def handle_starttag(self, tag, attrs):
         self.attrs = dict(attrs)
 
+
 def extract_attributes(html_element):
     """Given a string for an HTML element such as
     <el
@@ -303,6 +305,7 @@ def extract_attributes(html_element):
     parser.close()
     return parser.attrs
 
+
 def clean_html(html):
     """Clean an HTML snippet into a readable string"""