diff --git a/machine-learning/app/sessions/rknn.py b/machine-learning/app/sessions/rknn.py
index 8df46c1034..c79e669632 100644
--- a/machine-learning/app/sessions/rknn.py
+++ b/machine-learning/app/sessions/rknn.py
@@ -13,8 +13,8 @@ from rknn.rknnpool import rknnPoolExecutor, soc_name
 from ..config import log, settings
 
 
-def runInfrence(rknn_lite: Any, input: NDArray[np.float32]) -> list[NDArray[np.float32]]:
-    outputs: list[NDArray[np.float32]] = rknn_lite.inference(inputs=[input], data_format="nchw")
+def runInfrence(rknn_lite: Any, input: list[NDArray[np.float32]]) -> list[NDArray[np.float32]]:
+    outputs: list[NDArray[np.float32]] = rknn_lite.inference(inputs=input, data_format="nchw")
 
     return outputs
 
@@ -66,7 +66,7 @@ class RknnSession:
         input_feed: dict[str, NDArray[np.float32]] | dict[str, NDArray[np.int32]],
         run_options: Any = None,
     ) -> list[NDArray[np.float32]]:
-        input_data: NDArray[np.float32] = np.ascontiguousarray(list(input_feed.values())[0], dtype=np.float32)
+        input_data: list[NDArray[np.float32]]  = [np.ascontiguousarray(v) for v in input_feed.values()]
         self.rknnpool.put(input_data)
-        outputs: list[NDArray[np.float32]] = self.rknnpool.get()[0]
+        outputs: list[NDArray[np.float32]] = self.rknnpool.get()
         return outputs
diff --git a/machine-learning/rknn/rknnpool.py b/machine-learning/rknn/rknnpool.py
index 293ef9bd8e..9fd365b13c 100644
--- a/machine-learning/rknn/rknnpool.py
+++ b/machine-learning/rknn/rknnpool.py
@@ -23,7 +23,7 @@ try:
             else:
                 is_available = False
                 soc_name = None
-    is_available = os.path.exists("/sys/kernel/debug/rknpu/load")
+    is_available = is_available and os.path.exists("/sys/kernel/debug/rknpu/load")
 except (FileNotFoundError, ImportError):
     is_available = False
     soc_name = None
@@ -79,9 +79,9 @@ class rknnPoolExecutor:
 
     def get(self) -> list[list[NDArray[np.float32]], bool]:
         if self.queue.empty():
-            return None, False
+            return None
         fut = self.queue.get()
-        return fut.result(), True
+        return fut.result()
 
     def release(self) -> None:
         self.pool.shutdown()