Fix minor warnings

DataAnalyser.py

 import pandas as pandas
 from fastf1.core import Session, Lap, Laps, DataNotLoadedError
 
-from DataHandler import DataHandler, SessionIdentifier
+from DataHandler import DataHandler
 
 
 class DataAnalyser(DataHandler):
@@ -155,7 +155,6 @@ class DataAnalyser(DataHandler):
 
     # Returns -1 if no tire change occurred
     def getEarliestTireChange(self, race: Session):
-        earliestTireChangeLap: int = -1
         compoundsPerLap: list[list[str]] = self.getCompoundsForRace(race)
         compoundsPerLap[0] = compoundsPerLap[1] # presume grid tires same as 1st lap; races are only picked if weather change after first 10 laps anyway, so it's ok
         startingCompound: str = self.getPredominantCompound(compoundsPerLap[0])
@@ -172,7 +171,6 @@ class DataAnalyser(DataHandler):
 
     # Returns -1 if no tire change occurred
     def getLatestTireChange(self, race: Session):
-        latestTireChangeLap: int = -1
         compoundsPerLap: list[list[str]] = self.getCompoundsForRace(race)
         compoundsPerLap[0] = compoundsPerLap[1]  # presume grid tires same as 1st lap; races are only picked if weather change after first 10 laps anyway, so it's ok
         startingCompound: str = self.getPredominantCompound(compoundsPerLap[0])
@@ -182,11 +180,11 @@ class DataAnalyser(DataHandler):
 
     def getFirstLapWithoutCompound(self, compoundsPerLap: list[list[str]], startingCompound: str):
         currentLap = 0
-        filter = self.setFilter(startingCompound)
+        compoundFilter = self.setFilter(startingCompound)
         for compoundsThisLap in compoundsPerLap:
             noStartingCompoundsLeft = True
             for compound in compoundsThisLap:
-                if compound in filter:
+                if compound in compoundFilter:
                     noStartingCompoundsLeft = False
             if noStartingCompoundsLeft: return currentLap
             currentLap += 1
@@ -205,8 +203,8 @@ class DataAnalyser(DataHandler):
                 try:
                     compound = raceLap['Compound'].iloc[0]
                     compoundsThisLap.append(compound)
-                except:  # triggered when not all drivers that took part reached lap, probably by crashing or being behind
-                    x = 0  # do nothing
+                except Exception:  # triggered when not all drivers that took part reached lap, probably by crashing or being behind
+                    pass
             compoundsPerLap.append(compoundsThisLap)
 
         return compoundsPerLap
@@ -226,11 +224,11 @@ class DataAnalyser(DataHandler):
         return 'error'
 
     def getFirstLapWithOppositeCompound(self, compoundsPerLap: list[list[str]], startingCompound: str):
-        filter = self.setFilter(startingCompound)
+        compoundFilter = self.setFilter(startingCompound)
         currentLap = 0
         for compoundsThisLap in compoundsPerLap:
             for compound in compoundsThisLap:
-                if compound not in filter:
+                if compound not in compoundFilter:
                     return currentLap
             currentLap += 1
         return -1 # no lap with opposite compound found; all laps use same compound type
@@ -243,15 +241,14 @@ class DataAnalyser(DataHandler):
 
     # ===== Crashes =====
 
-    def analyseRacesForCrashes(self, races):
-        x = 0
+#    def analyseRacesForCrashes(self, races):
 
 
 
     # ===== Events =====
 
-    def analyseRacesForSafetyCars(self, races):
-        x = 0
+#    def analyseRacesForSafetyCars(self, races):
+
 
 
     # ===== Other