Revert "Special none cases (please review)"

This reverts commit b8f942b.
pvlib · kandersolar · Dec 12, 2023 · Jun 26, 2023 · Jun 26, 2023 · Aug 6, 2023
commit 1a391195025fd76798ac954767cedfa4d8f74f94
diff --git a/pvlib/iotools/pvgis.py b/pvlib/iotools/pvgis.py
@@ -430,11 +430,11 @@ def get_pvgis_tmy(latitude, longitude, outputformat='json', usehorizon=True,
     data : pandas.DataFrame
         the weather data
     months_selected : list
-        TMY year for each month, do not specify for basic and EPW
+        TMY year for each month, ``None`` for basic and EPW
     inputs : dict
-        the inputs, do not specify for basic and EPW
+        the inputs, ``None`` for basic and EPW
     metadata : list or dict
-        file metadata, do not specify for basic
+            file metadata, ``None`` for basic
 
     Note
     ----
@@ -591,11 +591,11 @@ def read_pvgis_tmy(filename, pvgis_format=None, map_variables=True):
     data : pandas.DataFrame
         the weather data
     months_selected : list
-        TMY year for each month, do not specify for basic and EPW
+        TMY year for each month, ``None`` for basic and EPW
     inputs : dict
-        the inputs, do not specify for basic and EPW
+        the inputs, ``None`` for basic and EPW
     metadata : list or dict
-        file metadata, do not specify for basic
+        file metadata, ``None`` for basic
 
     Raises
     ------