Add aliases from DP8xx drivers

qcodes/instrument_drivers/rigol/DP821.py

@@ -0,0 +1,5 @@
+"""
+Old alias for RigolDP821 for backwards compatibility.
+Will eventually be deprecated and removed.
+"""
+from .RigolDP821 import RigolDP821

qcodes/instrument_drivers/rigol/DP831.py

@@ -0,0 +1,5 @@
+"""
+Old alias for RigolDP831 for backwards compatibility.
+Will eventually be deprecated and removed.
+"""
+from .RigolDP831 import RigolDP831

qcodes/instrument_drivers/rigol/DP832.py

@@ -0,0 +1,5 @@
+"""
+Old alias for RigolDP832 for backwards compatibility.
+Will eventually be deprecated and removed.
+"""
+from .RigolDP832 import RigolDP832

qcodes/instrument_drivers/rigol/RigolDP821.py

@@ -11,10 +11,7 @@ class RigolDP821(_RigolDP8xx):
     def __init__(self, name: str, address: str, **kwargs: Any):
         channel_ranges = [
             (60.0, 1.0),
-            (
-                8.0,
-                10.0,
-            ),
+            (8.0, 10.0),
         ]
 
         ovp_ranges_std = [(0.01, 66.0), (0.01, 8.8)]