provisional fix

src/egon/data/datasets/pypsaeursec/__init__.py

@@ -501,6 +501,7 @@ def neighbor_reduction():
     )
     neighbor_gens.index += db.next_etrago_id("generator")
 
+    neighbor_gens.rename(columns={"name": "Generator"}, inplace=True)
     for i in neighbor_gens_t.columns:
         new_index = neighbor_gens[neighbor_gens["Generator"] == i].index
         neighbor_gens_t.rename(columns={i: new_index[0]}, inplace=True)
@@ -518,7 +519,7 @@ def neighbor_reduction():
         neighbors.loc[neighbor_loads.bus, "new_index"].reset_index().new_index
     )
     neighbor_loads.index += db.next_etrago_id("load")
-
+    neighbor_loads.rename(columns={"index": "Load"}, inplace=True)
     for i in neighbor_loads_t.columns:
         new_index = neighbor_loads[neighbor_loads["Load"] == i].index
         neighbor_loads_t.rename(columns={i: new_index[0]}, inplace=True)
@@ -535,7 +536,7 @@ def neighbor_reduction():
         neighbors.loc[neighbor_stores.bus, "new_index"].reset_index().new_index
     )
     neighbor_stores.index += db.next_etrago_id("store")
-
+    neighbor_stores.rename(columns={"name": "Store"}, inplace=True)
     for i in neighbor_stores_t.columns:
         new_index = neighbor_stores[neighbor_stores["Store"] == i].index
         neighbor_stores_t.rename(columns={i: new_index[0]}, inplace=True)
@@ -558,7 +559,7 @@ def neighbor_reduction():
         .new_index
     )
     neighbor_storage.index += db.next_etrago_id("storage")
-
+    neighbor_storage.rename(columns={"name": "StorageUnit"}, inplace=True)
     for i in neighbor_storage_t.columns:
         new_index = neighbor_storage[
             neighbor_storage["StorageUnit"] == i
@@ -598,7 +599,7 @@ def neighbor_reduction():
         "generator",
         "location",
         "sub_network",
-        "unit",
+        #"unit",
     ]:
         neighbors = neighbors.drop(i, axis=1)