Fix wait_for to compile on python3 (#3722)

.travis.yml

@@ -83,8 +83,7 @@ env:
       cloud/vmware/vsphere_guest.py
       utilities/helper/accelerate.py
       utilities/logic/async_status.py
-      utilities/logic/async_wrapper.py
-      utilities/logic/wait_for.py"
+      utilities/logic/async_wrapper.py"
 before_install:
   - git config user.name "ansible"
   - git config user.email "ansible@ansible.com"

utilities/logic/wait_for.py

@@ -435,7 +435,8 @@ def main():
             if path:
                 try:
                     os.stat(path)
-                except OSError, e:
+                except OSError:
+                    e = get_exception()
                     # If anything except file not present, throw an error
                     if e.errno != 2:
                         elapsed = datetime.datetime.now() - start