Only run test_love on a single Python version to avoid collisions

tests/test_network.py

@@ -2,19 +2,16 @@
 """
 Integration (not unit) tests for pylast.py
 """
-import sys
 import time
 import unittest
 
 import pylast
 
-from .test_pylast import TestPyLastWithLastFm
+from .test_pylast import PY37, TestPyLastWithLastFm
 
 
 class TestPyLastNetwork(TestPyLastWithLastFm):
-    @unittest.skipUnless(
-        sys.version_info[:2] == (3, 7), "Only run on Python 3.7 to avoid collisions"
-    )
+    @unittest.skipUnless(PY37, "Only run on Python 3.7 to avoid collisions")
     def test_scrobble(self):
         # Arrange
         artist = "test artist"
@@ -24,9 +21,9 @@ class TestPyLastNetwork(TestPyLastWithLastFm):
 
         # Act
         self.network.scrobble(artist=artist, title=title, timestamp=timestamp)
+        time.sleep(1)  # Delay, for Last.fm latency. TODO Can this be removed later?
 
         # Assert
-        time.sleep(1)  # Delay, for Last.fm latency. TODO Can this be removed later?
         # limit=2 to ignore now-playing:
         last_scrobble = lastfm_user.get_recent_tracks(limit=2)[0]
         self.assertEqual(str(last_scrobble.track.artist).lower(), artist)

tests/test_pylast.py

@@ -3,6 +3,7 @@
 Integration (not unit) tests for pylast.py
 """
 import os
+import sys
 import time
 import unittest
 
@@ -12,6 +13,9 @@ from flaky import flaky
 import pylast
 
 
+PY37 = sys.version_info[:2] == (3, 7)
+
+
 def load_secrets():
     secrets_file = "test_pylast.yaml"
     if os.path.isfile(secrets_file):

tests/test_track.py

@@ -6,10 +6,11 @@ import unittest
 
 import pylast
 
-from .test_pylast import TestPyLastWithLastFm
+from .test_pylast import PY37, TestPyLastWithLastFm
 
 
 class TestPyLastTrack(TestPyLastWithLastFm):
+    @unittest.skipUnless(PY37, "Only run on Python 3.7 to avoid collisions")
     def test_love(self):
         # Arrange
         artist = "Test Artist"