fix open (#200)

config.py

@@ -62,7 +62,7 @@ class Config:
                 print("16系显卡强制单精度")
                 self.is_half = False
                 for config_file in ["32k.json", "40k.json", "48k.json"]:
-                    with open(f"configs/{config_file}", "a") as f:
+                    with open(f"configs/{config_file}", "r+") as f:
                         strr = f.read().replace("true", "false")
                         f.write(strr)
                 self.gpu_mem = int(
@@ -73,7 +73,7 @@ class Config:
                     + 0.4
                 )
                 if self.gpu_mem <= 4:
-                    with open("trainset_preprocess_pipeline_print.py", "a") as f:
+                    with open("trainset_preprocess_pipeline_print.py", "r+") as f:
                         strr = f.read().replace("3.7", "3.0")
                         f.write(strr)
         elif torch.backends.mps.is_available():