Update PlexAPI to 4.4.0

lib/plexapi/utils.py

@@ -176,7 +176,7 @@ def threaded(callback, listargs):
         threads[-1].setDaemon(True)
         threads[-1].start()
     while not job_is_done_event.is_set():
-        if all([not t.is_alive() for t in threads]):
+        if all(not t.is_alive() for t in threads):
             break
         time.sleep(0.05)
 
@@ -334,6 +334,24 @@ def download(url, token, filename=None, savepath=None, session=None, chunksize=4
     return fullpath
 
 
+def tag_singular(tag):
+    if tag == 'countries':
+        return 'country'
+    elif tag == 'similar':
+        return 'similar'
+    else:
+        return tag[:-1]
+
+
+def tag_plural(tag):
+    if tag == 'country':
+        return 'countries'
+    elif tag == 'similar':
+        return 'similar'
+    else:
+        return tag + 's'
+
+
 def tag_helper(tag, items, locked=True, remove=False):
     """ Simple tag helper for editing a object. """
     if not isinstance(items, list):
@@ -448,7 +466,7 @@ def base64str(text):
     return base64.b64encode(text.encode('utf-8')).decode('utf-8')
 
 
-def deprecated(message):
+def deprecated(message, stacklevel=2):
     def decorator(func):
         """This is a decorator which can be used to mark functions
         as deprecated. It will result in a warning being emitted
@@ -456,7 +474,7 @@ def deprecated(message):
         @functools.wraps(func)
         def wrapper(*args, **kwargs):
             msg = 'Call to deprecated function or method "%s", %s.' % (func.__name__, message)
-            warnings.warn(msg, category=DeprecationWarning, stacklevel=3)
+            warnings.warn(msg, category=DeprecationWarning, stacklevel=stacklevel)
             log.warning(msg)
             return func(*args, **kwargs)
         return wrapper