refine codes

app.py

@@ -181,7 +181,7 @@ def generate_abc(args, region):
         print("\n")
 
     print("Generation time: {:.2f} seconds".format(time.time() - start_time))
-    create_dir("./tmp")
+    os.makedirs("./tmp", exist_ok=True)
     timestamp = time.strftime("%a_%d_%b_%Y_%H_%M_%S", time.localtime())
     out_midi = abc_to_midi(tunes, f"./tmp/[{region}]{timestamp}.mid")
     out_xml = abc_to_musicxml(tunes, f"./tmp/[{region}]{timestamp}.musicxml")

utils.py

@@ -27,11 +27,6 @@ K:D
 de |"D"'''
 
 
-def create_dir(dir_path):
-    if not os.path.exists(dir_path):
-        os.makedirs(dir_path)
-
-
 def download(filename=WEIGHT_PATH, url=WEIGHT_URL):
     import time
     import requests