Add whatsnew entry

nmartensen · nmartensen · commit e7d5b0dd328a · 2017-12-15T23:49:10.000+01:00
diff --git a/doc/source/whatsnew/v0.22.0.txt b/doc/source/whatsnew/v0.22.0.txt
@@ -297,6 +297,7 @@ Plotting
 ^^^^^^^^
 
 - :func: `DataFrame.plot` now raises a ``ValueError`` when the ``x`` or ``y`` argument is improperly formed (:issue:`18671`)
+- Bug in formatting tick labels with datetime.time() and fractional seconds (:issue:`18478`).
 -
 -
 

Original file line number	Diff line number	Diff line change
`@@ -297,6 +297,7 @@ Plotting`
`297`	`297`	`^^^^^^^^`
`298`	`298`
`299`	`299`	- :func: `DataFrame.plot` now raises a ``ValueError`` when the ``x`` or ``y`` argument is improperly formed (:issue:`18671`)
	`300`	+- Bug in formatting tick labels with datetime.time() and fractional seconds (:issue:`18478`).
`300`	`301`	`-`
`301`	`302`	`-`
`302`	`303`