reqs: Comment out ignored dependencies

misc/requirements/requirements-tests.txt

@@ -9,6 +9,7 @@ glob2==0.4.1
 httpbin==0.4.1
 hypothesis==3.4.0
 itsdangerous==0.24
+# Jinja2==2.8
 Mako==1.0.4
 MarkupSafe==0.23
 parse==1.6.6

scripts/dev/recompile_requirements.py

@@ -49,7 +49,7 @@ def convert_line(line, comments):
     ignored = comments.get('ignore', '').split(',')
 
     if pkgname in ignored:
-        return None
+        line = '# ' + line
 
     if pkgname in comments:
         line += '  # ' + comments[pkgname]
@@ -96,9 +96,7 @@ def main():
             f.write("# This file is automatically generated by "
                     "scripts/dev/recompile_requirements.py\n\n")
             for line in reqs.splitlines():
-                converted = convert_line(line, comments)
-                if converted is not None:
-                    f.write(converted + '\n')
+                f.write(convert_line(line, comments) + '\n')
 
 
 if __name__ == '__main__':