Fix model_name check bugs.

mace/examples/example.cc

@@ -183,7 +183,7 @@ bool RunModel(const std::vector<std::string> &input_names,
                                   &engine);
   } else {
     create_engine_status =
-        CreateMaceEngineFromCode(model_name,
+        CreateMaceEngineFromCode(FLAGS_model_name,
                                  FLAGS_model_data_file,
                                  input_names,
                                  output_names,

tools/converter.py

@@ -279,7 +279,7 @@ def format_model_config(config_file_path):
     mace_check(len(model_names) > 0, ModuleName.YAML_CONFIG,
                "no model found in config file")
 
-    model_name_reg = re.compile(r'^[a-z0-9_]+$')
+    model_name_reg = re.compile(r'^[a-zA-Z0-9_]+$')
     for model_name in model_names:
         # check model_name legality
         mace_check(model_name not in CPP_KEYWORDS,