Port arg specs from type='str' to type='path'

lib/ansible/modules/files/patch.py

@@ -148,7 +148,6 @@ def main():
     # Create type object as namespace for module params
     p = type('Params', (), module.params)
 
-    p.src = os.path.expanduser(p.src)
     if not os.access(p.src, os.R_OK):
         module.fail_json(msg="src %s doesn't exist or not readable" % (p.src))