NRHDF5 file existence check

BayesWaveUtils/scripts/bayeswave_pipe

@@ -322,6 +322,10 @@ if injfile is not None: #and cp.has_option('injections','nrhdf5'):
 
             # Modify xml IN WORKDIR to point to local hdf5
             localize_xml(os.path.join(workdir, injfile), nr_full_path, numrel_data)
+        else:
+            print("NRHDF5 does not exist at {}".format(numrel_data),
+                    file=sys.stderr)
+            sys.exit(1)
     else:
         numrel_data = None
 else: