In setup_pidfuile, if path is relative to . (i.e. -p my.pid) then os.path.dirname results in an empty string with os.makedirs will choke on.

Author: jmhobbs

pyres/__init__.py

@@ -65,7 +65,7 @@ def setup_pidfile(path):
     if not path:
         return
     dirname = os.path.dirname(path)
-    if not os.path.exists(dirname):
+    if dirname and not os.path.exists(dirname):
         os.makedirs(dirname)
     with open(path, 'w') as f:
         f.write(str(os.getpid()))