Replace ModuleNotFoundError to ImportError (#190)

Co-authored-by: davitbzh <davit@logicalclocks.com>

python/hsfs/client/hopsworks.py

@@ -25,7 +25,7 @@
 
 try:
     import jks
-except ModuleNotFoundError:
+except ImportError:
     pass
 
 

python/hsfs/core/tfdata_engine.py

@@ -21,17 +21,17 @@
 
 try:
     import tensorflow as tf
-except ModuleNotFoundError:
+except ImportError:
     tf = mock.Mock()
 
 try:
     from pydoop import hdfs
-except ModuleNotFoundError:
+except ImportError:
     hdfs = mock.Mock()
 
 try:
     import boto3
-except ModuleNotFoundError:
+except ImportError:
     pass
 
 

python/hsfs/engine/spark.py

@@ -23,7 +23,7 @@
 try:
     from pyspark.sql import SparkSession, DataFrame
     from pyspark.rdd import RDD
-except ModuleNotFoundError:
+except ImportError:
     pass
 
 from hsfs import feature, training_dataset_feature

python/tests/hsfs/core/tfdata_engine_test.py

@@ -16,7 +16,7 @@
 
 try:
     import tensorflow as tf
-except ModuleNotFoundError:
+except ImportError:
     pass
 
 from hsfs.core.tfdata_engine import TFDataEngine