Update utils/florence.py

utils/florence.py

@@ -21,7 +21,8 @@ def fixed_get_imports(filename: Union[str, os.PathLike]) -> list[str]:
     if not str(filename).endswith("/modeling_florence2.py"):
         return get_imports(filename)
     imports = get_imports(filename)
-    imports.remove("flash_attn")
+    if "flash_attn" in imports:
+        imports.remove("flash_attn")
     return imports