diff --git a/certbot-nginx/certbot_nginx/nginxparser.py b/certbot-nginx/certbot_nginx/nginxparser.py
index 895c4f8a3..50ed41eb9 100644
--- a/certbot-nginx/certbot_nginx/nginxparser.py
+++ b/certbot-nginx/certbot_nginx/nginxparser.py
@@ -40,7 +40,6 @@ class RawNginxParser(object):
     if_statement = space + Literal("if") + space + condition + space
 
     map_statement = space + Literal("map") + space + nonspace + space + dollar_var + space
-
     # This is NOT an accurate way to parse nginx map entries; it's almost
     # certianly too permissive and may be wrong in other ways, but it should
     # preserve things correctly in mmmmost or all cases.
@@ -49,7 +48,6 @@ class RawNginxParser(object):
     #    - I can neither prove nor disprove that it is corect wrt all escaped
     #      semicolon situations
     # Addresses https://github.com/fatiherikli/nginxparser/issues/19
-
     map_entry = space + nonspace + value + space + semicolon
     map_block = Forward()
     map_block << Group(
@@ -60,18 +58,14 @@ class RawNginxParser(object):
         Group(ZeroOrMore(Group(comment | map_entry)) + space).leaveWhitespace() +
         right_bracket)
 
-
     block = Forward()
-
     block << Group(
         # key could for instance be "server" or "http", or "location" (in which case
         # location_statement needs to have a non-empty location)
         (Group(space + key + location_statement) ^ Group(if_statement)).leaveWhitespace() +
         left_bracket +
-        Group(ZeroOrMore(Group(comment | assignment) | block | map_block) + space).leaveWhitespace() +
-        right_bracket)
-
-
+        Group(ZeroOrMore(Group(comment | assignment) | block | map_block) + space).leaveWhitespace()
+              + right_bracket)
 
     script = OneOrMore(Group(comment | assignment) ^ block ^ map_block) + space + stringEnd
     script.parseWithTabs()