Keep error string on one line so that black autoformatter has nothing to do

Marco Gorelli · Marco Gorelli · commit 66200bf3bff2 · 2019-08-13T15:22:16.000+01:00
diff --git a/pandas/io/common.py b/pandas/io/common.py
@@ -128,8 +128,7 @@ def _validate_header_arg(header) -> None:
     if header == -1:  # In versions prior to 0.25, this
         # would have worked.
         raise ValueError(
-            "Passing -1 to header is invalid. "
-            "For no header, use header=None instead"
+            "Passing -1 to header is invalid. For no header, use header=None instead"
         )
 
 

Original file line number	Diff line number	Diff line change
`@@ -128,8 +128,7 @@ def _validate_header_arg(header) -> None:`
`128`	`128`	`if header == -1: # In versions prior to 0.25, this`
`129`	`129`	`# would have worked.`
`130`	`130`	`raise ValueError(`
`131`		`- "Passing -1 to header is invalid. "`
`132`		`- "For no header, use header=None instead"`
	`131`	`+ "Passing -1 to header is invalid. For no header, use header=None instead"`
`133`	`132`	`)`
`134`	`133`
`135`	`134`