Fixed slash problem in pims_split alembic file

shared/workspaces/alembic/versions/e8e6d54d8444_add_pimscache_split_workflow.py

@@ -101,12 +101,8 @@ queue
 split_sh = """#!/bin/sh
 set -o errexit
 
-# Something to link measurement set to rawdata directory
-# CASA envoy call?
-# Populate the cache area
-
-TILE=$(echo $1 | cut -d '/' -f 1)
-PHCENTER=$(echo $1 | cut -d '/' -f 2)
+TILE=$(echo $1 | cut -d \'/\' -f 1)
+PHCENTER=$(echo $1 | cut -d \'/\' -f 2)
 
 # Get the measurement set path
 {{^existingRestore}}