use relaxted coqpit parser

TTS/bin/compute_statistics.py

@@ -28,7 +28,7 @@ def main():
     args, overrides = parser.parse_known_args()
 
     CONFIG = load_config(args.config_path)
-    CONFIG.parse_args(overrides)
+    CONFIG.parse_known_args(overrides, relaxed_parser=True)
 
     # load config
     CONFIG.audio.signal_norm = False  # do not apply earlier normalization

TTS/utils/arguments.py

@@ -144,7 +144,7 @@ def process_args(args):
     # setup output paths and read configs
     config = load_config(args.config_path)
     # override values from command-line args
-    config.parse_args(coqpit_overrides)
+    config.parse_known_args(coqpit_overrides, relaxed_parser=True)
     if config.mixed_precision:
         print("   >  Mixed precision mode is ON")
     experiment_path = args.continue_path