coredevice/exceptions: PEP8

artiq/coredevice/exceptions.py

@@ -1,17 +1,22 @@
 from artiq.language.core import ARTIQException
 
+
 class ZeroDivisionError(ARTIQException):
     """Python's :class:`ZeroDivisionError`, mirrored in ARTIQ."""
 
+
 class ValueError(ARTIQException):
     """Python's :class:`ValueError`, mirrored in ARTIQ."""
 
+
 class IndexError(ARTIQException):
     """Python's :class:`IndexError`, mirrored in ARTIQ."""
 
+
 class InternalError(ARTIQException):
     """Raised when the runtime encounters an internal error condition."""
 
+
 class RTIOUnderflow(ARTIQException):
     """Raised when the CPU fails to submit a RTIO event early enough
     (with respect to the event's timestamp).
@@ -19,6 +24,7 @@ class RTIOUnderflow(ARTIQException):
     The offending event is discarded and the RTIO core keeps operating.
     """
 
+
 class RTIOSequenceError(ARTIQException):
     """Raised when an event is submitted on a given channel with a timestamp
     not larger than the previous one.
@@ -26,6 +32,7 @@ class RTIOSequenceError(ARTIQException):
     The offending event is discarded and the RTIO core keeps operating.
     """
 
+
 class RTIOCollisionError(ARTIQException):
     """Raised when an event is submitted on a given channel with the same
     coarse timestamp as the previous one but with a different fine timestamp.
@@ -37,6 +44,7 @@ class RTIOCollisionError(ARTIQException):
     The offending event is discarded and the RTIO core keeps operating.
     """
 
+
 class RTIOOverflow(ARTIQException):
     """Raised when at least one event could not be registered into the RTIO
     input FIFO because it was full (CPU not reading fast enough).
@@ -46,6 +54,7 @@ class RTIOOverflow(ARTIQException):
     the exception is caught, and events will be partially retrieved.
     """
 
+
 class DDSBatchError(ARTIQException):
     """Raised when attempting to start a DDS batch while already in a batch,
     or when too many commands are batched.