Replace pesky double-quotes with single ones

setup.py

@@ -19,7 +19,7 @@
 def parse_requirements(filepath):
  """ load requirements from a pip requirements file """
  lineiter = (line.strip() for line in open(filepath))
- return [line for line in lineiter if line and not line.startswith("#")]
+ return [line for line in lineiter if line and not line.startswith('#')]
 
 
 def retrieve_deps(filepath):