Fix signature index error (#461)

gatesn · web-flow · commit 79f3ffe36877 · 2018-12-09T23:21:33.000+01:00
diff --git a/pyls/plugins/signature.py b/pyls/plugins/signature.py
@@ -21,7 +21,7 @@ def pyls_signature_help(document, position):
 
     s = signatures[0]
     sig = {
-        'label': s.docstring().splitlines()[0],
+        'label': (s.docstring().splitlines() or [''])[0],
         'documentation': _utils.format_docstring(s.docstring(raw=True))
     }
 

Original file line number	Diff line number	Diff line change
`@@ -21,7 +21,7 @@ def pyls_signature_help(document, position):`
`21`	`21`
`22`	`22`	`s = signatures[0]`
`23`	`23`	`sig = {`
`24`		`- 'label': s.docstring().splitlines()[0],`
	`24`	`+ 'label': (s.docstring().splitlines() or [''])[0],`
`25`	`25`	`'documentation': _utils.format_docstring(s.docstring(raw=True))`
`26`	`26`	`}`
`27`	`27`