bugfix: make sure coal demand is there with regional demand

scripts/prepare_sector_network.py

@@ -3059,6 +3059,9 @@ def add_industry(n, costs):
             + mwh_coal_per_mwh_coke * industrial_demand["coke"]
         ) / nhours
 
+        p_set.rename(lambda x: x + " coal for industry",
+                     inplace=True)
+
         if not options["regional_coal_demand"]:
             p_set = p_set.sum()