fix edge-case where there are no values in index

oscarbranson · Nov 7, 2024 · 53db6a5 · 53db6a5
1 parent 48bc69d
commit 53db6a5
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/cbsyst/cbsyst.py b/cbsyst/cbsyst.py
@@ -135,7 +135,8 @@ def Csys(
     for p in ["DIC", "CO2", "HCO3", "CO3", "BT", "fCO2", "pCO2", "PT", "SiT"]:
         if ps[p] is not None:
             if isinstance(ps[p], (np.ndarray, pd.core.series.Series)):
-                ps[p][ps[p] < 0] = np.nan
+                if any(ps[p] < 0):
+                    ps[p][ps[p] < 0] = np.nan
             elif ps[p] < 0:
                 ps[p] = np.nan