Update app.py

app.py

@@ -106,7 +106,7 @@ def index():
     # Keep session in sync with cookie if needed
     session["language"] = language
     session.permanent = True
-    return render_template("pests.html",
+    return render_template("index.html",
                            pests_diseases=PESTS_DISEASES,
                            languages=LANGUAGES,
                            current_language=language)