treat load_templates.py as standalone script

src/app.py

@@ -6,10 +6,6 @@ from flask_cors import CORS
 import config
 from get_wikicode import get_wikicode
 from wiktextract_wrapper import Wiktextract
-from load_templates import load_templates
-
-for wiktlang in config.supported_wiktlangs:
-    load_templates(wiktlang)
 
 app = Flask(__name__)
 CORS(app)

src/load_templates.py

@@ -85,3 +85,10 @@ def load_templates(wiktlang: str):
     stop_progress_indicator(indicator_thread, is_done)
 
     print(f"Done loading templates for {wiktlang}.")
+
+
+if __name__ == "__main__":
+    import config
+
+    for wiktlang in config.supported_wiktlangs:
+        load_templates(wiktlang)