Catch an importlib warning.

jedi/_compatibility.py

@@ -7,6 +7,7 @@ import imp
 import os
 import re
 import pkgutil
+import warnings
 try:
     import importlib
 except ImportError:
@@ -60,6 +61,12 @@ def find_module_py33(string, path=None, loader=None, fullname=None):
 
     if loader is None and path is None:  # Fallback to find builtins
         try:
+            with warnings.catch_warnings(record=True):
+                # Mute "DeprecationWarning: Use importlib.util.find_spec()
+                # instead." While we should replace that in the future, it's
+                # probably good to wait until we deprecate Python 3.3, since
+                # it was added in Python 3.4 and find_loader hasn't been
+                # removed in 3.6.
                 loader = importlib.find_loader(string)
         except ValueError as e:
             # See #491. Importlib might raise a ValueError, to avoid this, we