Improved robustness of tutor init

Author: agohr

app/evaluation.py

@@ -7,26 +7,26 @@
 from time import sleep
 
 import json
+import os
 
 max_retries = 4
 
-config_paths = ['config_tutor.json', 'app/config_tutor.json', 'app/config_tutor_test.json']
+# Get the directory of the current file to build relative paths
+current_dir = os.path.dirname(os.path.abspath(__file__))
+config_test_path = os.path.join(current_dir, 'config_tutor_test.json')
 
 try:
-    tutor = MathTutor('app/config_tutor_test.json')
+    tutor = MathTutor(config_test_path)
 except Exception as e:
     error(f"An error occurred during the initialization of the tutor: {e}")
-    try:
-        tutor = MathTutor('app/config_tutor_test.json')
-    except Exception as e:
-        for _ in range(max_retries):
-            sleep(1)
-            try:
-                tutor = MathTutor('config_tutor_test.json')
-            except Exception as e:
-                error(f"An error occurred during the initialization of the tutor: {e}")
-        error(f"An error occurred during the initialization of the tutor: {e}")
-        raise RuntimeError("Failed to initialize MathTutor with either config file") from e
+    for _ in range(max_retries):
+        sleep(1)
+        try:
+            tutor = MathTutor(config_test_path)
+        except Exception as e:
+            error(f"An error occurred during the initialization of the tutor: {e}")
+    error(f"An error occurred during the initialization of the tutor: {e}")
+    raise RuntimeError("Failed to initialize MathTutor with either config file") from e
 
 class Params(TypedDict):
     model_name: str