cannot load model using pyspark

["second_comet@yahoo.com.INVALID" <se...@yahoo.com.INVALID>]

spark.sparkContext.textFile("s3a://a_bucket/models/random_forest_zepp/bestModel/metadata", 1).getNumPartitions()
when i run above code, i get below error. Can advice how to troubleshoot? i' using spark 3.3.0. the above file path exist. 

---------------------------------------------------------------------------Py4JJavaError Traceback (most recent call last)Cell In[16], line 1----> 1 spark.sparkContext.textFile("s3a://a)bucket/models/random_forest_zepp/bestModel/metadata", 1).getNumPartitions()File /spark/python/lib/pyspark.zip/pyspark/rdd.py:599, in RDD.getNumPartitions(self) 589 def getNumPartitions(self) -> int: 590  """ 591  Returns the number of partitions in RDD 592  (...) 597  2 598  """--> 599 return self._jrdd.partitions().size()File /spark/python/lib/py4j-0.10.9.5-src.zip/py4j/java_gateway.py:1321, in JavaMember.__call__(self, *args) 1315 command = proto.CALL_COMMAND_NAME +\ 1316 self.command_header +\ 1317 args_command +\ 1318 proto.END_COMMAND_PART 1320 answer = self.gateway_client.send_command(command)-> 1321 return_value = get_return_value( 1322  answer, self.gateway_client, self.target_id, self.name) 1324 for temp_arg in temp_args: 1325 temp_arg._detach()File /spark/python/lib/pyspark.zip/pyspark/sql/utils.py:190, in capture_sql_exception.<locals>.deco(*a, **kw) 188 def deco(*a: Any, **kw: Any) -> Any: 189 try:--> 190 return f(*a, **kw) 191 except Py4JJavaError as e: 192 converted = convert_exception(e.java_exception)File /spark/python/lib/py4j-0.10.9.5-src.zip/py4j/protocol.py:326, in get_return_value(answer, gateway_client, target_id, name) 324 value = OUTPUT_CONVERTER[type](answer[2:], gateway_client) 325 if answer[1] == REFERENCE_TYPE:--> 326 raise Py4JJavaError( 327 "An error occurred while calling {0}{1}{2}.\n". 328 format(target_id, ".", name), value) 329 else: 330 raise Py4JError( 331 "An error occurred while calling {0}{1}{2}. Trace:\n{3}\n". 332 format(target_id, ".", name, value))Py4JJavaError: An error occurred while calling o114.partitions.: java.lang.NullPointerException at org.apache.hadoop.mapred.TextInputFormat.isSplitable(TextInputFormat.java:49) at org.apache.hadoop.mapred.FileInputFormat.getSplits(FileInputFormat.java:370) at org.apache.spark.rdd.HadoopRDD.getPartitions(HadoopRDD.scala:208) at org.apache.spark.rdd.RDD.$anonfun$partitions$2(RDD.scala:292) at scala.Option.getOrElse(Option.scala:189) at org.apache.spark.rdd.RDD.partitions(RDD.scala:288) at org.apache.spark.rdd.MapPartitionsRDD.getPartitions(MapPartitionsRDD.scala:49) at org.apache.spark.rdd.RDD.$anonfun$partitions$2(RDD.scala:292) at scala.Option.getOrElse(Option.scala:189) at org.apache.spark.rdd.RDD.partitions(RDD.scala:288) at org.apache.spark.api.java.JavaRDDLike.partitions(JavaRDDLike.scala:61) at org.apache.spark.api.java.JavaRDDLike.partitions$(JavaRDDLike.scala:61) at org.apache.spark.api.java.AbstractJavaRDDLike.partitions(JavaRDDLike.scala:45) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at py4j.reflection.MethodInvoker.invoke(MethodInvoker.java:244) at py4j.reflection.ReflectionEngine.invoke(ReflectionEngine.java:357) at py4j.Gateway.invoke(Gateway.java:282) at py4j.commands.AbstractCommand.invokeMethod(AbstractCommand.java:132) at py4j.commands.CallCommand.execute(CallCommand.java:79) at py4j.GatewayConnection.run(GatewayConnection.java:238) at java.lang.Thread.run(Thread.java:750)