fix path and minor bug

Dockerfile

@@ -50,6 +50,7 @@ ENV NUMBA_CACHE_DIR=/tmp/NUMBA_CACHE_DIR/
 ENV MPLCONFIGDIR=/tmp/MPLCONFIGDIR/
 
 # Pre-download NLTK data
+ENV NLTK_DATA /app/nltk_data
 RUN python -m nltk.downloader -d /app/nltk_data punkt stopwords wordnet
 
 

app.py

@@ -296,7 +296,7 @@ def evaluate_audio(gt_file, pred_file, metric_config, include_timestamps=False):
             "--score_config", metric_config_path,
             "--gt", gt_file,
             "--pred", pred_file,
-            "--output_file", output_file
+            "--output_file", output_file,
             "--use_gpu", True,
         ]