From 510997ded59001453287c113151a10a74d01a3ff Mon Sep 17 00:00:00 2001
From: Marie Roald <marie.roald@nb.no>
Date: Tue, 7 May 2024 06:46:10 +0200
Subject: [PATCH] return empty dataframe instead of dict

---
 dhlab/api/dhlab_api.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/dhlab/api/dhlab_api.py b/dhlab/api/dhlab_api.py
index 4b03c37..83ced28 100644
--- a/dhlab/api/dhlab_api.py
+++ b/dhlab/api/dhlab_api.py
@@ -704,7 +704,7 @@ def concordance(
     :return: a table of concordances
     """
     if words is None:
-        return {}  # exit condition
+        return pd.DataFrame(columns=["index", "docid", "urn", "conc"])  # exit condition
     else:
         params = {"urns": urns, "query": words, "window": window, "limit": limit}
         r = requests.post(BASE_URL + "/conc", json=params)
@@ -728,7 +728,7 @@ def concordance_counts(
     :return: a table of counts
     """
     if words is None:
-        return {}  # exit condition
+        return pd.DataFrame(columns=["freq"])  # exit condition
     else:
         params = {"urns": urns, "query": words, "window": window, "limit": limit}
         r = requests.post(BASE_URL + "/conccount", json=params)