diff --git a/Lib/fontTools/misc/symfont.py b/Lib/fontTools/misc/symfont.py
index b48464a27..d09efac43 100644
--- a/Lib/fontTools/misc/symfont.py
+++ b/Lib/fontTools/misc/symfont.py
@@ -44,6 +44,7 @@ def green(f, curveXY):
 	f = sp.integrate(f * sp.diff(curveXY[0], t), (t, 0, 1))
 	return f
 
+
 class _BezierFuncsLazy(dict):
 
 	def __init__(self, symfunc):
diff --git a/Snippets/interpolatable.py b/Snippets/interpolatable.py
index 9ff359132..c646ad07e 100755
--- a/Snippets/interpolatable.py
+++ b/Snippets/interpolatable.py
@@ -48,7 +48,7 @@ class PerContourOrComponentPen(PerContourPen):
 
 
 class RecordingNoComponentsPen(BasePen):
-	def __init__(self, glyphset):
+	def __init__(self, glyphset=None): # glyphset is unused
 		BasePen.__init__(self, glyphset)
 		self._glyphset = glyphset
 		self.value = []
@@ -76,7 +76,7 @@ class RecordingPen(RecordingNoComponentsPen):
 
 
 class TeePen(object):
-	def __init__(self, *pens):
+	def __init__(self, *pens, glyphset=None): # glyphset is unused
 		if len(pens) == 1:
 			pens = pens[0]
 		self.pens = pens