Checkk if we have a document before trying to use its key.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/db.py b/src/db.py
index 8ab98e7..3dd005a 100755
--- a/src/db.py
+++ b/src/db.py
@@ -100,7 +100,7 @@ class DictDB():
             }
 
             for key in kwargs:
-                if kwargs[key].isnumeric():
+                if kwargs[key] and kwargs[key].isnumeric():
                     kwargs[key] = int(kwargs[key])
                 selector['selector'][key] = {'$eq': kwargs[key]}