diff --git a/lib/datasource/pypi/index.ts b/lib/datasource/pypi/index.ts
index b849b51087341e0dc9fb8f7dccc3ca8c4df4e425..97ab8198d2325216e1ad9f42c6163bfb07a8458d 100644
--- a/lib/datasource/pypi/index.ts
+++ b/lib/datasource/pypi/index.ts
@@ -183,8 +183,11 @@ export async function getPkgReleases({
       dep = await getDependency(lookupName, hostUrl, compatibility);
     }
     if (dep !== null) {
+      logger.debug({ lookupName, hostUrl }, 'Found pypi result');
       return dep;
     }
+    logger.debug({ lookupName, hostUrl }, 'No pypi result');
   }
+  logger.debug({ lookupName, registryUrls }, 'Pypi lookup returning null');
   return null;
 }