Remove file after test completion

Tests/test_image_access.py

@@ -276,6 +276,7 @@ class TestEmbeddable:
         except Exception:
             pytest.skip("Compiler could not be initialized")
 
+        try:
             with open("embed_pil.c", "w", encoding="utf-8") as fh:
                 home = sys.prefix.replace("\\", "\\\\")
                 fh.write(
@@ -315,3 +316,5 @@ int main(int argc, char* argv[])
             process = subprocess.Popen(["embed_pil.exe"], env=env)
             process.communicate()
             assert process.returncode == 0
+        finally:
+            os.remove("embed_pil.c")