fix a bug in finding the first key

aa18ce37 · BO ZHANG · 684956e5 · aa18ce37
Commit aa18ce37 authored 1 year ago by BO ZHANG
Show whitespace changes
Inline Side-by-side

Showing

with 1 addition and 1 deletion
+1 -1
--- a/csst_common/io.py
+++ b/csst_common/io.py
@@ -97,7 +97,7 @@ def reformat_header(h: fits.Header, strip=True, comment=None):
    h_copy.remove("HISTORY", ignore_missing=True, remove_all=True)
    # add new comment
    assert len(h.cards) > 0
-    first_key = list(h.keys())[0]
+    first_key = list(h_copy.keys())[0]
    h_copy.add_comment("=" * 72, before=first_key)
    h_copy.add_comment(comment, before=first_key)
    h_copy.add_comment("=" * 72, before=first_key)