fix some cython code

engines/tensorrt_engine.pyx

@@ -72,10 +72,15 @@ cdef class TensorRTEngine(InferenceEngine):
                 pass
         return 2 * 1024 * 1024 * 1024 if total_memory is None else total_memory # default 2 Gb
 
+    @property
+    def engine_name(self):
+        return "tensorrt"
+
     @staticmethod
-    def get_engine_filename(int device_id):
+    def get_engine_filename():
         try:
-            device = cuda.Device(device_id)
+            from engines import tensor_gpu_index
+            device = cuda.Device(max(tensor_gpu_index, 0))
             sm_count = device.multiprocessor_count
             cc_major, cc_minor = device.compute_capability()
             return f"azaion.cc_{cc_major}.{cc_minor}_sm_{sm_count}.engine"