Error in utils

src/python/utils_proc.py

@@ -154,9 +154,9 @@ def compress_tar(infile, outname = ''):
     year = infile.split('/')[-2] 
     c1 = 'tar -xf ' + infile
     call_with_out(c1)
-    c2 = 'tar -czvf ' + outname + ' ./' + ${year} + '/'
+    c2 = 'tar -czvf ' + outname + ' ./' + str(year) + '/'
     call_with_out(c2)
-    c3 = 'rm -rf ' + $year
+    c3 = 'rm -rf ' + str(year)
     call_with_out(c3)