whitespace (pep8)

diff --git a/c4m/nmigen/jtag/tap.py b/c4m/nmigen/jtag/tap.py
index 525b5311748973a4b287516154e8759b4e3f0710..84adf9d57fb2463c7f172533065f5ee5d5494341 100755 (executable)
--- a/c4m/nmigen/jtag/tap.py
+++ b/c4m/nmigen/jtag/tap.py
@@ -119,6 +119,7 @@ class _FSM(Elaboratable):
 
         return m
 
+
 class _IRBlock(Elaboratable):
     """TAP subblock for handling the IR shift register"""
     def __init__(self, *, ir_width, cmd_idcode,
@@ -151,12 +152,14 @@ class _IRBlock(Elaboratable):
 
         return m
 
+
 class IOType(Enum):
     In = auto()
     Out = auto()
     TriOut = auto()
     InTriOut = auto()
 
+
 class IOConn(Record):
     lengths = {
         IOType.In: 1,
@@ -208,6 +211,7 @@ class IOConn(Record):
 
         self._iotype = iotype
 
+
 class _IDBypassBlock(Elaboratable):
     """TAP subblock for the ID shift register"""
     def __init__(self, *, manufacturer_id, part_number, version,
@@ -306,6 +310,7 @@ class ShiftReg(Record):
         ]
         super().__init__(layout, name=name, src_loc_at=src_loc_at+1)
 
+
 class TAP(Elaboratable):
     #TODO: Document TAP
     def __init__(self, *, with_reset=False, ir_width=None,