fix configure-generated example pydarshan tools

darshan-util/pydarshan-info.py.in

@@ -7,8 +7,8 @@
 
 
 # add hard-coded pydarshan utils path and ensure they take precedence
-import sys
-sys.path.insert(0, "@prefix@")
+import site
+site.addsitedir("@DARSHAN_PYDARSHAN_PATH@")
 
 
 import darshan

darshan-util/pydarshan-info.sh.in

@@ -7,7 +7,6 @@
 
 
 # add hard-coded pydarshan utils path and ensure they take precedence
-PREFIX="@prefix@";
-export PYTHONPATH=$PREFIX/pydarshan:$PYTHONPATH
+export PYTHONPATH=@DARSHAN_PYDARSHAN_PATH@:$PYTHONPATH
 
 python -m darshan.cli info $@