fix dir handling

Author: blink1073

.evergreen/generated_configs/variants.yml

@@ -308,7 +308,7 @@ buildvariants:
     run_on:
       - macos-14
     expansions:
-      PYTHON_BINARY: /Library/Frameworks/Python.Framework/Versions/3.13/bin/python3t
+      PYTHON_BINARY: /Library/Frameworks/PythonT.Framework/Versions/3.13/bin/python3t
     tags: []
   - name: free-threaded-macos-arm64-python3.13t
     tasks:
@@ -317,7 +317,7 @@ buildvariants:
     run_on:
       - macos-14-arm64
     expansions:
-      PYTHON_BINARY: /Library/Frameworks/Python.Framework/Versions/3.13/bin/python3t
+      PYTHON_BINARY: /Library/Frameworks/PythonT.Framework/Versions/3.13/bin/python3t
     tags: []
   - name: free-threaded-win64-python3.14t
     tasks:

.evergreen/scripts/generate_config_utils.py

@@ -162,7 +162,8 @@ def get_python_binary(python: str, host: Host) -> str:
     if name in ["macos", "macos-arm64"]:
         bin_name = "python3t" if "t" in python else "python3"
         python_dir = python.replace("t", "")
-        return f"/Library/Frameworks/Python.Framework/Versions/{python_dir}/bin/{bin_name}"
+        framework_dir = "PythonT" if "t" in python else "Python"
+        return f"/Library/Frameworks/{framework_dir}.Framework/Versions/{python_dir}/bin/{bin_name}"
 
     raise ValueError(f"no match found for python {python} on {name}")