--- a/light9/midifade/midifade.py	Sat Jun 03 15:45:27 2023 -0700
+++ b/light9/midifade/midifade.py	Sat Jun 03 15:46:04 2023 -0700
@@ -26,6 +26,7 @@
 currentFaders = {}  # midi control channel num : FaderUri
 ctx = URIRef(showUri() + '/fade')
 
+
 def compileCurrents(graph):
     currentFaders.clear()
     try:
@@ -35,7 +36,7 @@
     currentFaders.update(new)
 
 
-def getGraphMappingNode(g: ReadOnlyConjunctiveGraph|SyncedGraph) -> URIRef:
+def getGraphMappingNode(g: ReadOnlyConjunctiveGraph | SyncedGraph) -> URIRef:
     mapping = g.value(L9['midiControl'], L9['map'])
     if mapping is None:
         raise ValueError('no :midiControl :map ?mapping')
@@ -50,9 +51,11 @@
     mapping = getGraphMappingNode(g)
     return g.value(mapping, L9['outputs'])
 
-def setCurMappedPage(g: SyncedGraph, mapping: URIRef, newPage:URIRef):
+
+def setCurMappedPage(g: SyncedGraph, mapping: URIRef, newPage: URIRef):
     g.patchObject(ctx, mapping, L9.outputs, newPage)
 
+
 def getChansToFaders(g: SyncedGraph) -> Dict[int, URIRef]:
     fadePage = getCurMappedPage(g)
     ret = []
@@ -79,11 +82,12 @@
     if curPage is None:
         curPage = allPages[0]
     idx = allPages.index(curPage)
-    newIdx = clamp(idx + dp, 0, len(allPages)-1)
+    newIdx = clamp(idx + dp, 0, len(allPages) - 1)
     print('change from ', idx, newIdx)
-    newPage =allPages[newIdx]
+    newPage = allPages[newIdx]
     setCurMappedPage(g, mapping, newPage)
 
+
 def writeHwValueToGraph(graph: SyncedGraph, ctx, fader: URIRef, strength: float):
     log.info(f'setFader(fader={fader}, strength={strength:.03f}')
     valueLit = decimalLiteral(round(strength, 3))
@@ -155,7 +159,7 @@
             fset = g.value(f, L9.setting)
             # could split this to a separate handler per fader
             value = g.value(fset, L9.value).toPython()
-            hwcurrent = self.getCurrentValue(midi_ctl_addr) 
+            hwcurrent = self.getCurrentValue(midi_ctl_addr)
             hwgoal = int(value * 127)
             print(f'{f} {hwcurrent=} {hwgoal=}')
             if abs(hwcurrent - hwgoal) > 2: