anchor.diff:      help
   fi
   
  -NOTEBOOK_PATH=$1
  +NOTEBOOK_PATH=$(escape_string "$1")
   HDFS_USER=$2
   CONDA_ENV=$3
  -OUTPUT_PATH=$4
  +OUTPUT_PATH=$(escape_string "$4")
   CONVERSION_TYPE=$6
   IMAGE=$7
   CERT_DIR=$8
  
positive.code:        -u="yarnapp" \
         -w="$conversion_dir" \
         $IMAGE \
         notebook-converter.sh $NOTEBOOK_PATH $CONDA_ENV $OUTPUT_PATH $CONVERSION_TYPE
  
negative.code: if [ $? -ne 0 ] ; then
      echo "Could not chown directory in the staging directory for converting iPython notebook. Problem dir: $staging_dir as user yarnapp"
      exit 3
  fi
  
  cd "$conversion_dir"
  
  