Robust import of distutils submodule (fix #2376)

This would fail if the `spawn` module in the `distutils` package was not
already imported somewhere else.

Author: sampsyo

beetsplug/absubmit.py

@@ -24,7 +24,7 @@
 import subprocess
 import tempfile
 
-import distutils
+from distutils.spawn import find_executable
 import requests
 
 from beets import plugins
@@ -79,9 +79,10 @@ def __init__(self):
                 # Extractor found, will exit with an error if not called with
                 # the correct amount of arguments.
                 pass
-            # Get the executable location on the system,
-            # needed to calculate the sha1 hash.
-            self.extractor = distutils.spawn.find_executable(self.extractor)
+
+            # Get the executable location on the system, which we need
+            # to calculate the SHA-1 hash.
+            self.extractor = find_executable(self.extractor)
 
         # Calculate extractor hash.
         self.extractor_sha = hashlib.sha1()