Import spaces before tribev2 to avoid CUDA init order error

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

app.py

@@ -1,9 +1,3 @@
-import gradio as gr
-import numpy as np
-import plotly.graph_objects as go
-import threading
-from tribev2 import TribeModel
-
 try:
     import spaces
 except ImportError:
@@ -13,6 +7,12 @@ except ImportError:
             return dec
     spaces = _Placeholder()
 
+import gradio as gr
+import numpy as np
+import plotly.graph_objects as go
+import threading
+from tribev2 import TribeModel
+
 # ── Load model (thread-safe, lazy) ──────────────────────────────────────────
 
 _model = None