better traceback error

app/errors/handlers.py

@@ -1,6 +1,7 @@
 from app import db
 from app.errors import bp
 from flask import render_template
+import traceback
 
 
 @bp.app_errorhandler(404)
@@ -27,7 +28,13 @@ def internal_error(error):
         str: HTML page for error 500.
     """
     db.session.rollback()
-    return render_template("500.html"), 500
+    # Capture the exception details
+    traceback_info = traceback.format_exc()
+
+    return (
+        render_template("500.html", traceback_info=traceback_info),
+        500,
+    )
 
 
 @bp.app_errorhandler(413)

app/errors/templates/500.html

@@ -1,10 +1,12 @@
 {% extends "base.html" %} {% block content %}
 <h1>Error 500: An unexpected error has occurred</h1>
-<h3>Please try going to the Standard Vocabulary module and
-  press "Save tree" to re-generate files and use this function again !</h3>
+<p>If this happened in the visualisation module, a common fix could be going to the Standard Vocabulary module and
+  press "Save tree" to re-generate files !</p>
 <p>The administrator has been notified. Sorry for the inconvenience!</p>
 <p>
   Please press the back button to go to the index:
   <a href="{{ url_for('index.index') }}">Back</a>
 </p>
-{% endblock %}
+<h3> Traceback: </h5>
+  <pre>{{ traceback_info }}</pre>
+  {% endblock %}

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "impatient"
-version = "1.6.0"
+version = "1.6.1"
 description = "IMPatienT: an integrated web application to digitize, process and explore multimodal patient data"
 authors = ["Corentin Meyer <co.meyer@unistra.fr>"]
 license = "AGPL"