diff --git a/.github/workflows/python.yml b/.github/workflows/python.yml
index a42c106b..7cdd5cdc 100644
--- a/.github/workflows/python.yml
+++ b/.github/workflows/python.yml
@@ -18,7 +18,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        version: ["3.6", "3.7", "3.8", "3.9", "3.10", "3.11", "3.12.7"]
+        version: ["3.6", "3.7", "3.8", "3.9", "3.10", "3.11", "3.12"]
         os: [ubuntu-latest, windows-latest]
         exclude:
         - os: ubuntu-latest
@@ -31,7 +31,7 @@ jobs:
         - os: macos-latest
           version: 3.11
         - os: macos-latest
-          version: 3.12.7
+          version: 3.12
         - os: ubuntu-latest
           version: graalpy-23.1
         - os: macos-13
diff --git a/python/src/p0049.py b/python/src/p0049.py
index 8efdb1da..b63d2b24 100644
--- a/python/src/p0049.py
+++ b/python/src/p0049.py
@@ -24,15 +24,15 @@
 def main() -> int:
     primes_at_1000 = primes(10000)
     consume(takewhile((1000).__gt__, primes_at_1000))
-    primes_at_1000, pgen_1 = tee(primes_at_1000)
+    _, pgen_1 = tee(primes_at_1000)
     for p1 in pgen_1:
         if p1 == 1487:
             continue
-        pgen_1, pgen_2 = tee(pgen_1)
+        _, pgen_2 = tee(pgen_1)
         for p2 in pgen_2:
             if p2 > 10000 - p1 // 2:
                 break
-            pgen_2, pgen_3 = tee(pgen_2)
+            _, pgen_3 = tee(pgen_2)
             for p3 in pgen_3:
                 dp1p2 = p1 - p2
                 dp2p3 = p2 - p3