it's more pep8 :)

mega/mega.py

@@ -403,7 +403,7 @@ class Mega(object):
         attribs = base64_url_decode(file_data['at'])
         attribs = decrypt_attr(attribs, k)
         file_name = attribs['n']
-        file_name_tmp = '.megapy-%s-%s' % (int(time.time()*1000), filename)
+        file_name_tmp = '.megapy-%s-%s' % (int(time.time() * 1000), file_name)
 
         # print("downloading {0} (size: {1}), url = {2}".format(attribs['n'].encode("utf8"),
         #                                                       file_size,

tests.py

@@ -1,5 +1,6 @@
 from mega import Mega
 
+
 def test():
     #user details
     email = 'your@email.com'
@@ -30,7 +31,6 @@ def test():
     #search for a file in account
     file = m.find('tests.py')
 
-
     if file:
         #get public link
         link = m.get_link(file)