Fixing remaining flake8 lint warnings

capnp/_gen.py

@@ -6,6 +6,7 @@ import sys
 from jinja2 import Environment, PackageLoader
 import os
 
+
 def find_type(code, id):
     for node in code['nodes']:
         if node['id'] == id:
@@ -13,6 +14,7 @@ def find_type(code, id):
 
     return None
 
+
 def main():
     env = Environment(loader=PackageLoader('capnp', 'templates'))
     env.filters['format_name'] = lambda name: name[name.find(':') + 1:]