Changed pip dependencies code

Author: lobrien

articles/machine-learning/how-to-use-automlstep-in-pipelines.md

@@ -114,7 +114,7 @@ aml_run_config.environment.python.user_managed_dependencies = False
 # Add some packages relied on by data prep step
 aml_run_config.environment.python.conda_dependencies = CondaDependencies.create(
     conda_packages=['pandas','scikit-learn'], 
-    pip_packages=['azureml-sdk', 'azureml-dataprep[fuse,pandas]'], 
+    pip_packages=['azureml-sdk[automl,explain]', 'azureml-dataprep[fuse,pandas]'], 
     pin_sdk_version=False)
 ```