[python]remove keys to check param dict (#2677)

Author: sindhuvahinis

engines/python/setup/djl_python/rolling_batch/trtllm_rolling_batch.py

@@ -63,20 +63,20 @@ def translate_triton_params(self, parameters: dict) -> dict:
 
         :return: The same parameters dict, but with TensorRT-LLM style parameter names.
         """
-        if "request_output_len" not in parameters.keys():
+        if "request_output_len" not in parameters:
             parameters["request_output_len"] = parameters.pop(
                 "max_new_tokens", 30)
-        if "top_k" in parameters.keys():
+        if "top_k" in parameters:
             parameters["runtime_top_k"] = parameters.pop("top_k")
-        if "top_p" in parameters.keys():
+        if "top_p" in parameters:
             parameters["runtime_top_p"] = parameters.pop("top_p")
-        if "seed" in parameters.keys():
+        if "seed" in parameters:
             parameters["random_seed"] = int(parameters.pop("seed"))
         if parameters.pop("do_sample", False):
             parameters["runtime_top_k"] = parameters.get("runtime_top_k", 5)
             parameters["runtime_top_p"] = parameters.get("runtime_top_p", 0.85)
             parameters["temperature"] = parameters.get("temperature", 0.8)
-        if "length_penalty" in parameters.keys():
+        if "length_penalty" in parameters:
             parameters['len_penalty'] = parameters.pop('length_penalty')
         parameters["streaming"] = parameters.pop(
             "stream", parameters.get("streaming", True))

engines/python/setup/djl_python/transformers_neuronx_scheduler/slot.py

@@ -29,8 +29,7 @@
 
 def translate_neuronx_params(parameters: dict) -> dict:
     # TODO: Remove this once presence_penalty is supported
-    if "presence_penalty" in parameters.keys(
-    ) and "repetition_penalty" not in parameters.keys():
+    if "presence_penalty" in parameters and "repetition_penalty" not in parameters:
         parameters["repetition_penalty"] = float(
             parameters.pop("presence_penalty")) + 2.0
     return parameters

engines/python/setup/djl_python/utils.py

@@ -69,7 +69,7 @@ def is_best_of(parameters: dict) -> bool:
     :param parameters: parameters dictionary
     :return: boolean
     """
-    return "best_of" in parameters.keys() and parameters.get("best_of") > 1
+    return "best_of" in parameters and parameters.get("best_of") > 1
 
 
 def is_beam_search(parameters: dict) -> bool:
@@ -78,7 +78,7 @@ def is_beam_search(parameters: dict) -> bool:
     :param parameters: parameters dictionary
     :return: boolean
     """
-    return "num_beams" in parameters.keys() and parameters.get("num_beams") > 1
+    return "num_beams" in parameters and parameters.get("num_beams") > 1
 
 
 def is_multiple_sequences(parameters: dict) -> bool:
@@ -88,7 +88,7 @@ def is_multiple_sequences(parameters: dict) -> bool:
     :param parameters: parameters dictionary
     :return: boolean
     """
-    return "n" in parameters.keys() and parameters.get("n") > 1
+    return "n" in parameters and parameters.get("n") > 1
 
 
 def is_streaming(parameters: dict) -> bool:
@@ -97,7 +97,7 @@ def is_streaming(parameters: dict) -> bool:
     :param parameters: parameters dictionary
     :return: boolean
     """
-    return "stream" in parameters.keys() and parameters.get("stream")
+    return "stream" in parameters and parameters.get("stream")
 
 
 def wait_till_generation_finished(parameters):