lint fix

Author: LeiWang1999

testing/python/language/test_tilelang_language_let.py

@@ -1,23 +1,23 @@
 import tilelang.testing
 from tilelang import tvm as tvm
-from tvm import IRModule
 from tilelang import language as T
-from tilelang.utils.tensor import map_torch_type
+
 
 def test_let_vectorize_load():
+
     @T.prim_func
     def main(A_ptr: T.handle):
         A = T.match_buffer(A_ptr, (16, 16), dtype="float32", align=16)
 
-        for blockIdx in T.thread_binding(1, thread="blockIdx.x"):
-            for threadIdx in T.thread_binding(128, thread="threadIdx.x"):
+        for _blockIdx in T.thread_binding(1, thread="blockIdx.x"):
+            for _threadIdx in T.thread_binding(128, thread="threadIdx.x"):
                 b: T.float32x4 = A[0, 0:4]
                 A[0, 4:8] = b
 
     mod = tvm.IRModule({"main": main})
     mod = tvm.compile(mod, target="cuda")
     assert "float4 b" in mod.mod.imported_modules[0].get_source()
-    
+
 
 if __name__ == "__main__":
     tilelang.testing.main()