add config

.streamlit/config.toml

@@ -0,0 +1,6 @@
+[theme] # You have to add this line
+
+
+backgroundColor = '#000000' # Black
+
+

app.py

@@ -14,10 +14,13 @@ from src.trainers import eval_spacy
 with open('./st_config.yaml', "r") as yamlfile:
     args = yaml.load(yamlfile, Loader=yaml.FullLoader)
 
-if os.path.exists(args['model_dir']):  
+if args['model_dir'] is None:
+    model_names_dir = []		 
+elif os.path.exists(args['model_dir']):  
     model_names_dir = os.listdir(args['model_dir'])
 else:
-     model_names_dir = []
+    model_names_dir = []
+     
      
 model_names = model_names_dir + args['default_models'] if args['default_models'] is not None else model_names_dir