more testing and better pylint score

backend/src/structs/landmark.py

@@ -71,9 +71,11 @@ class Landmark(BaseModel) :
             time to the next landmark (if available), and whether the landmark is secondary.
         """
         time_to_next_str = f", time_to_next={self.time_to_reach_next}" if self.time_to_reach_next else ""
-        is_secondary_str = f", secondary" if self.is_secondary else ""
+        is_secondary_str = ", secondary" if self.is_secondary else ""
         type_str = '(' + self.type + ')'
-        if self.type in ["start", "finish", "nature", "shopping"] : type_str += '\t '
+        if self.type in ["start", "finish", "nature", "shopping"] :
+            type_str += '\t '
+
         return f'Landmark{type_str}: [{self.name} @{self.location}, score={self.attractiveness}{time_to_next_str}{is_secondary_str}]'
 
     def distance(self, value: 'Landmark') -> float:

backend/src/structs/linked_landmarks.py

@@ -11,7 +11,7 @@ class LinkedLandmarks:
     to reference the next landmark in the list. This is not very efficient, but appropriate for the expected use case
     ("short" trips with onyl few landmarks).
     """
-    
+
     _landmarks = list[Landmark]
     total_time: int = 0
 

backend/src/structs/preferences.py

@@ -30,5 +30,5 @@ class Preferences(BaseModel) :
     # Shopping (diriger plutôt vers des zones / rues commerçantes)
     shopping : Preference
 
-    max_time_minute: Optional[int] = 6*60
+    max_time_minute: Optional[int] = 3*60
     detour_tolerance_minute: Optional[int] = 0

backend/src/structs/trip.py

@@ -25,7 +25,7 @@ class Trip(BaseModel):
 
 
     @classmethod
-    def from_linked_landmarks(self, landmarks: LinkedLandmarks, cache_client: Client) -> "Trip":
+    def from_linked_landmarks(cls, landmarks: LinkedLandmarks, cache_client: Client) -> "Trip":
         """
         Initialize a new Trip object and ensure it is stored in the cache.
         """