Also cache gemini results

1 files changed, 2 insertions, 1 deletions

diff --git a/more_functions.py b/more_functions.py
index a6cb86f..a115899 100755
--- a/more_functions.py
+++ b/more_functions.py
@@ -26,7 +26,8 @@ def esearch_pmids(query):
     print(f"  popen: {pmid_cmd}")
     pmids = os.popen(pmid_cmd).read().strip()
     pmid_list = [p for p in pmids.split("\n") if p.strip()] if pmids else []
-    _esearch_cache[key] = pmid_list
+    if pmid_list:
+        _esearch_cache[key] = pmid_list
     return pmid_list
 
 def undic(dic):