From 28549741a844c9b6d31a0415df862a7920328669 Mon Sep 17 00:00:00 2001
From: Wes Kitlasten <wkitlasten@gmial.com>
Date: Fri, 10 Nov 2023 08:25:21 +1300
Subject: [PATCH] better place for .lower on prefix

---
 pyemu/utils/pst_from.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/pyemu/utils/pst_from.py b/pyemu/utils/pst_from.py
index f58ca140..80763d26 100644
--- a/pyemu/utils/pst_from.py
+++ b/pyemu/utils/pst_from.py
@@ -1566,7 +1566,7 @@ def add_observations(
 
                 if len(nprefix) == 0:
                     nprefix = filenames[0]
-                nprefix = "oname:{0}_otype:lst".format(nprefix)
+                nprefix = "oname:{0}_otype:lst".format(nprefix.lower())
                 df_ins = pyemu.pst_utils.csv_to_ins_file(
                     df.set_index("idx_str"),
                     ins_filename=self.new_d / insfile,
@@ -1575,7 +1575,7 @@ def add_observations(
                     marker="~",
                     includes_header=includes_header,
                     includes_index=False,
-                    prefix=nprefix.lower(),
+                    prefix=nprefix,
                     head_lines_len=lenhead,
                     sep=sep,
                     gpname=obsgp,