Fix repo_dir cannot export/write mlir file bug (#157)

-Set repro_dir as a temporary dir within current working directory.

.gitignore

@@ -162,6 +162,7 @@ cython_debug/
 
 # Shark related artefacts
 *venv/
+shark_tmp/
 
 # ORT related artefacts
 cache_models/

shark/parser.py

@@ -44,8 +44,7 @@ parser.add_argument(
 parser.add_argument(
     "--repro_dir",
     help="Directory to which module files will be saved for reproduction or debugging.",
-    type=dir_path,
-    default="./repro_dir/",
+    default="./shark_tmp/",
 )
 parser.add_argument(
     "--save_mlir",
@@ -79,3 +78,7 @@ parser.add_argument(
 )
 
 shark_args, unknown = parser.parse_known_args()
+
+if not os.path.exists(shark_args.repro_dir):
+    # Create a new directory because it does not exist
+    os.makedirs(shark_args.repro_dir)

tank/tflite/albert_lite_base/albert_lite_base_tflite_test.py

@@ -89,5 +89,8 @@ class AlbertTfliteModuleTest(unittest.TestCase):
 
 if __name__ == "__main__":
     # module_tester = AlbertTfliteModuleTester()
+    # module_tester.save_mlir = True
+    # module_tester.save_vmfb = True
     # module_tester.create_and_check_module()
+
     unittest.main()