Python tooltip strange behaviour

[Thalos12]

Environment data

• VS Code version: 1.24.0
• Extension version (available under the Extensions sidebar): 2018.5.0
• OS and version: Ubuntu 16.04
• Python version (& distribution if applicable, e.g. Anaconda): Python 3.6.5 from Anaconda
• Type of virtual environment used: conda (base)
• Relevant/affected Python packages and their versions: None

Actual behavior

Sometimes when i am writing the arguments of a function the lines in the tooltip are messed up, as shown in the image below

Moreover, if the argument has a default value type of str, this happens

Expected behavior

I expect the lines in the tooltip to look like this

Steps to reproduce:

To reproduce the result in the first image:

1. Create a new python file
2. Import Pandas with import pandas as pd
3. Try to write pd.DataFrame( and wait for the tooltip to appear
4. Observe the strange tooltip lines.

Logs

Output for Python in the Output panel (View→Output, change the drop-down the upper-right of the Output panel to Python)

Starting the classic analysis engine.
##########Linting Output - pylint##########
No config file found, using default configuration

Output from Console under the Developer Tools panel (toggle Developer Tools on under Help)

 INFO no standard startup: panel is active
/usr/share/code/resources/app/out/vs/workbench/workbench.main.js:2960 [njpwerner.autodocstring]Cannot read property 'rangeLength' of undefined
e.$onExtensionRuntimeError @ /usr/share/code/resources/app/out/vs/workbench/workbench.main.js:2960
/usr/share/code/resources/app/out/vs/workbench/workbench.main.js:2960 TypeError: Cannot read property 'rangeLength' of undefined
	at activateOnEnter (/home/ale/.vscode/extensions/njpwerner.autodocstring-0.2.1/out/src/extension.js:21:38)
	at context.subscriptions.push.vs.workspace.onDidChangeTextDocument.changeEvent (/home/ale/.vscode/extensions/njpwerner.autodocstring-0.2.1/out/src/extension.js:13:90)
	at e.fire (/usr/share/code/resources/app/out/vs/workbench/node/extensionHostProcess.js:96:764)
	at e.$acceptDirtyStateChanged (/usr/share/code/resources/app/out/vs/workbench/node/extensionHostProcess.js:685:973)
	at e._doInvokeHandler (/usr/share/code/resources/app/out/vs/workbench/node/extensionHostProcess.js:636:832)
	at e._invokeHandler (/usr/share/code/resources/app/out/vs/workbench/node/extensionHostProcess.js:636:550)
	at e._receiveRequest (/usr/share/code/resources/app/out/vs/workbench/node/extensionHostProcess.js:635:631)
	at e._receiveOneMessage (/usr/share/code/resources/app/out/vs/workbench/node/extensionHostProcess.js:635:400)
	at /usr/share/code/resources/app/out/vs/workbench/node/extensionHostProcess.js:634:315
	at /usr/share/code/resources/app/out/vs/workbench/node/extensionHostProcess.js:637:395
	at /usr/share/code/resources/app/out/vs/workbench/node/extensionHostProcess.js:95:432
	at e.fire (/usr/share/code/resources/app/out/vs/workbench/node/extensionHostProcess.js:96:764)
	at Socket.<anonymous> (/usr/share/code/resources/app/out/vs/workbench/node/extensionHostProcess.js:154:338)
	at emitOne (events.js:96:13)
	at Socket.emit (events.js:191:7)
	at readableAddChunk (_stream_readable.js:178:18)
	at Socket.Readable.push (_stream_readable.js:136:10)
	at Pipe.onread (net.js:560:20)
e.$onExtensionRuntimeError @ /usr/share/code/resources/app/out/vs/workbench/workbench.main.js:2960
/usr/share/code/resources/app/out/vs/workbench/workbench.main.js:2960 [njpwerner.autodocstring]Cannot read property 'rangeLength' of undefined
e.$onExtensionRuntimeError @ /usr/share/code/resources/app/out/vs/workbench/workbench.main.js:2960
/usr/share/code/resources/app/out/vs/workbench/workbench.main.js:2960 TypeError: Cannot read property 'rangeLength' of undefined
	at activateOnEnter (/home/ale/.vscode/extensions/njpwerner.autodocstring-0.2.1/out/src/extension.js:21:38)
	at context.subscriptions.push.vs.workspace.onDidChangeTextDocument.changeEvent (/home/ale/.vscode/extensions/njpwerner.autodocstring-0.2.1/out/src/extension.js:13:90)
	at e.fire (/usr/share/code/resources/app/out/vs/workbench/node/extensionHostProcess.js:96:764)
	at e.$acceptDirtyStateChanged (/usr/share/code/resources/app/out/vs/workbench/node/extensionHostProcess.js:685:973)
	at e.$acceptModelSaved (/usr/share/code/resources/app/out/vs/workbench/node/extensionHostProcess.js:685:723)
	at e._doInvokeHandler (/usr/share/code/resources/app/out/vs/workbench/node/extensionHostProcess.js:636:832)
	at e._invokeHandler (/usr/share/code/resources/app/out/vs/workbench/node/extensionHostProcess.js:636:550)
	at e._receiveRequest (/usr/share/code/resources/app/out/vs/workbench/node/extensionHostProcess.js:635:631)
	at e._receiveOneMessage (/usr/share/code/resources/app/out/vs/workbench/node/extensionHostProcess.js:635:400)
	at /usr/share/code/resources/app/out/vs/workbench/node/extensionHostProcess.js:634:315
	at /usr/share/code/resources/app/out/vs/workbench/node/extensionHostProcess.js:637:395
	at /usr/share/code/resources/app/out/vs/workbench/node/extensionHostProcess.js:95:432
	at e.fire (/usr/share/code/resources/app/out/vs/workbench/node/extensionHostProcess.js:96:764)
	at Socket.<anonymous> (/usr/share/code/resources/app/out/vs/workbench/node/extensionHostProcess.js:154:338)
	at emitOne (events.js:96:13)
	at Socket.emit (events.js:191:7)
	at readableAddChunk (_stream_readable.js:178:18)
	at Socket.Readable.push (_stream_readable.js:136:10)
	at Pipe.onread (net.js:560:20)
e.$onExtensionRuntimeError @ /usr/share/code/resources/app/out/vs/workbench/workbench.main.js:2960
/usr/share/code/resources/app/out/vs/workbench/workbench.main.js:2960 [njpwerner.autodocstring]Cannot read property 'rangeLength' of undefined
e.$onExtensionRuntimeError @ /usr/share/code/resources/app/out/vs/workbench/workbench.main.js:2960
/usr/share/code/resources/app/out/vs/workbench/workbench.main.js:2960 TypeError: Cannot read property 'rangeLength' of undefined
	at activateOnEnter (/home/ale/.vscode/extensions/njpwerner.autodocstring-0.2.1/out/src/extension.js:21:38)
	at context.subscriptions.push.vs.workspace.onDidChangeTextDocument.changeEvent (/home/ale/.vscode/extensions/njpwerner.autodocstring-0.2.1/out/src/extension.js:13:90)
	at e.fire (/usr/share/code/resources/app/out/vs/workbench/node/extensionHostProcess.js:96:764)
	at e.$acceptDirtyStateChanged (/usr/share/code/resources/app/out/vs/workbench/node/extensionHostProcess.js:685:973)
	at e._doInvokeHandler (/usr/share/code/resources/app/out/vs/workbench/node/extensionHostProcess.js:636:832)
	at e._invokeHandler (/usr/share/code/resources/app/out/vs/workbench/node/extensionHostProcess.js:636:550)
	at e._receiveRequest (/usr/share/code/resources/app/out/vs/workbench/node/extensionHostProcess.js:635:631)
	at e._receiveOneMessage (/usr/share/code/resources/app/out/vs/workbench/node/extensionHostProcess.js:635:400)
	at /usr/share/code/resources/app/out/vs/workbench/node/extensionHostProcess.js:634:315
	at /usr/share/code/resources/app/out/vs/workbench/node/extensionHostProcess.js:637:395
	at /usr/share/code/resources/app/out/vs/workbench/node/extensionHostProcess.js:95:432
	at e.fire (/usr/share/code/resources/app/out/vs/workbench/node/extensionHostProcess.js:96:764)
	at Socket.<anonymous> (/usr/share/code/resources/app/out/vs/workbench/node/extensionHostProcess.js:154:338)
	at emitOne (events.js:96:13)
	at Socket.emit (events.js:191:7)
	at readableAddChunk (_stream_readable.js:178:18)
	at Socket.Readable.push (_stream_readable.js:136:10)
	at Pipe.onread (net.js:560:20)
e.$onExtensionRuntimeError @ /usr/share/code/resources/app/out/vs/workbench/workbench.main.js:2960
/usr/share/code/resources/app/out/vs/workbench/workbench.main.js:2960 [njpwerner.autodocstring]Cannot read property 'rangeLength' of undefined
e.$onExtensionRuntimeError @ /usr/share/code/resources/app/out/vs/workbench/workbench.main.js:2960
/usr/share/code/resources/app/out/vs/workbench/workbench.main.js:2960 TypeError: Cannot read property 'rangeLength' of undefined
	at activateOnEnter (/home/ale/.vscode/extensions/njpwerner.autodocstring-0.2.1/out/src/extension.js:21:38)
	at context.subscriptions.push.vs.workspace.onDidChangeTextDocument.changeEvent (/home/ale/.vscode/extensions/njpwerner.autodocstring-0.2.1/out/src/extension.js:13:90)
	at e.fire (/usr/share/code/resources/app/out/vs/workbench/node/extensionHostProcess.js:96:764)
	at e.$acceptDirtyStateChanged (/usr/share/code/resources/app/out/vs/workbench/node/extensionHostProcess.js:685:973)
	at e.$acceptModelSaved (/usr/share/code/resources/app/out/vs/workbench/node/extensionHostProcess.js:685:723)
	at e._doInvokeHandler (/usr/share/code/resources/app/out/vs/workbench/node/extensionHostProcess.js:636:832)
	at e._invokeHandler (/usr/share/code/resources/app/out/vs/workbench/node/extensionHostProcess.js:636:550)
	at e._receiveRequest (/usr/share/code/resources/app/out/vs/workbench/node/extensionHostProcess.js:635:631)
	at e._receiveOneMessage (/usr/share/code/resources/app/out/vs/workbench/node/extensionHostProcess.js:635:400)
	at /usr/share/code/resources/app/out/vs/workbench/node/extensionHostProcess.js:634:315
	at /usr/share/code/resources/app/out/vs/workbench/node/extensionHostProcess.js:637:395
	at /usr/share/code/resources/app/out/vs/workbench/node/extensionHostProcess.js:95:432
	at e.fire (/usr/share/code/resources/app/out/vs/workbench/node/extensionHostProcess.js:96:764)
	at Socket.<anonymous> (/usr/share/code/resources/app/out/vs/workbench/node/extensionHostProcess.js:154:338)
	at emitOne (events.js:96:13)
	at Socket.emit (events.js:191:7)
	at readableAddChunk (_stream_readable.js:178:18)
	at Socket.Readable.push (_stream_readable.js:136:10)
	at Pipe.onread (net.js:560:20)
e.$onExtensionRuntimeError @ /usr/share/code/resources/app/out/vs/workbench/workbench.main.js:2960

[MikhailArkhipov]

It is vscode issue. Python documentation has embedded line breaks, but width of the tooltip is fixed so test does not always flow nicely.

See microsoft/vscode#14165

[Thalos12]

Thanks for telling me! (and i'm sorry for posting the issue on the wrong project)
Given that the feature request is open since Oct 2016, I really hope that they will find a solution.

[patrys]

@MikhailArkhipov Notice what it says under param columns=None. It doesn't look like a text wrapping issue. At least not only.

[danalf67]

I have exactly the same issue in the parameter hints. I use the jedi setting because the language server is worse (all line breaks are removed after the signature). Example source code for getting the error:
import shutil
shutil.copytree()

[luabud]

Closing in favour of microsoft/vscode#14165.