Fix dict key name

Remove extra colon (:) at the end of the name that was leading to the number
of cases not being presented as expected.

1 files changed, 1 insertions, 1 deletions

diff --git a/gn3/db/sample_data.py b/gn3/db/sample_data.py
index 140e62e..92032d6 100644
--- a/gn3/db/sample_data.py
+++ b/gn3/db/sample_data.py
@@ -77,7 +77,7 @@ ORDER BY st.Name""", (trait_name, phenotype_id))
             sample_data[sample] = {
                 'value': value,
                 'error': error,
-                'n_cases:': n_cases
+                'n_cases': n_cases
             }
 
         return sample_data