fix: Fix import shadowing in routers

backend/routers/performances.py

@@ -1,8 +1,8 @@
 from typing import List
 from fastapi import APIRouter, Depends, HTTPException, Query
-from sqlmodel import Session, select
+from sqlmodel import Session, select, func
 from database import get_session
-from models import Performance, PerformanceNickname, Tag, EntityTag
+from models import Performance, PerformanceNickname, Tag, EntityTag, Show
 from schemas import PerformanceDetailRead, PerformanceNicknameCreate, PerformanceNicknameRead
 from auth import get_current_user
 
@@ -26,9 +26,6 @@ def read_performance(performance_id_or_slug: str, session: Session = Depends(get
     performance_id = performance.id  # Use actual ID for lookups
     
     # --- Calculate Stats & Navigation ---
-    from sqlmodel import select, func, desc
-    from models import Show
-    
     # Get all performances of this song, ordered by date
     # We need to join Show to order by date
     all_perfs = session.exec(

backend/routers/songs.py

@@ -1,11 +1,12 @@
 from typing import List
 from datetime import datetime
 from fastapi import APIRouter, Depends, HTTPException, Query
-from sqlmodel import Session, select
+from sqlmodel import Session, select, func
 from database import get_session
-from models import Song, User, Tag, EntityTag
-from schemas import SongCreate, SongRead, SongReadWithStats, SongUpdate, TagRead
+from models import Song, User, Tag, EntityTag, Show, Performance, Rating
+from schemas import SongCreate, SongRead, SongReadWithStats, SongUpdate, TagRead, PerformanceReadWithShow
 from auth import get_current_user
+from services.stats import get_song_stats
 
 router = APIRouter(prefix="/songs", tags=["songs"])
 
@@ -22,8 +23,6 @@ def read_songs(offset: int = 0, limit: int = Query(default=100, le=100), session
     songs = session.exec(select(Song).offset(offset).limit(limit)).all()
     return songs
 
-from services.stats import get_song_stats
-
 @router.get("/{song_id_or_slug}", response_model=SongReadWithStats)
 def read_song(song_id_or_slug: str, session: Session = Depends(get_session)):
     # Try to parse as int (ID), otherwise treat as slug
@@ -49,12 +48,6 @@ def read_song(song_id_or_slug: str, session: Session = Depends(get_session)):
     ).all()
     
     # Fetch performances
-    # We join Show to ensure we can order by date
-    from models import Show, Performance, Rating
-    from sqlmodel import func
-    # We need PerformanceReadWithShow from schemas
-    from schemas import PerformanceReadWithShow
-    
     perfs = session.exec(
         select(Performance)
         .join(Show)