Issue Type: Bug
Actual behavior
It will alert Cannot read property 'uri' of undefined when use jupyter interactive, and won't successfully activated. However, native jupyter works well.
I have tried reinstalling the extension and the vscode, but this problem still exists.

Environment data
Extension version: 2020.3.71659
VS Code version: 1.44.2
OS version: Windows_NT x64 10.0.18363
Logs
- Output: No output for Python in the Output panel
- Console
Error Python Extension: 2020-04-21 17:13:55: DataScience Error [TypeError: Cannot read property 'uri' of undefined at s.get rootPath [as rootPath] (c:\Users\ganxy\.vscode\extensions\ms-python.python-2020.3.71659\out\client\extension.js:1:718209) at _.getOwningResource (c:\Users\ganxy\.vscode\extensions\ms-python.python-2020.3.71659\out\client\extension.js:75:805130) at _.getNotebookOptions (c:\Users\ganxy\.vscode\extensions\ms-python.python-2020.3.71659\out\client\extension.js:75:805692) at _.startServer (c:\Users\ganxy\.vscode\extensions\ms-python.python-2020.3.71659\out\client\extension.js:1:776009) at _.ensureServerAndNotebookImpl (c:\Users\ganxy\.vscode\extensions\ms-python.python-2020.3.71659\out\client\extension.js:1:775698) at _.ensureServerAndNotebook (c:\Users\ganxy\.vscode\extensions\ms-python.python-2020.3.71659\out\client\extension.js:1:775342) at _.ensureServerAndNotebook (c:\Users\ganxy\.vscode\extensions\ms-python.python-2020.3.71659\out\client\extension.js:75:806648) at new _ (c:\Users\ganxy\.vscode\extensions\ms-python.python-2020.3.71659\out\client\extension.js:75:803080) at Object.t.resolveInstance (c:\Users\ganxy\.vscode\extensions\ms-python.python-2020.3.71659\out\client\extension.js:60:93194) at c:\Users\ganxy\.vscode\extensions\ms-python.python-2020.3.71659\out\client\extension.js:60:92396 at Object.t.resolve (c:\Users\ganxy\.vscode\extensions\ms-python.python-2020.3.71659\out\client\extension.js:60:92663) at c:\Users\ganxy\.vscode\extensions\ms-python.python-2020.3.71659\out\client\extension.js:60:83747 at e._get (c:\Users\ganxy\.vscode\extensions\ms-python.python-2020.3.71659\out\client\extension.js:60:83513) at e.get (c:\Users\ganxy\.vscode\extensions\ms-python.python-2020.3.71659\out\client\extension.js:60:82224) at a.get (c:\Users\ganxy\.vscode\extensions\ms-python.python-2020.3.71659\out\client\extension.js:75:1166603) at y.create (c:\Users\ganxy\.vscode\extensions\ms-python.python-2020.3.71659\out\client\extension.js:75:820979) at y.getOrCreateActive (c:\Users\ganxy\.vscode\extensions\ms-python.python-2020.3.71659\out\client\extension.js:75:820390) at r.addCode (c:\Users\ganxy\.vscode\extensions\ms-python.python-2020.3.71659\out\client\extension.js:75:729316) at runMatchingCell (c:\Users\ganxy\.vscode\extensions\ms-python.python-2020.3.71659\out\client\extension.js:75:730236) at runCell (c:\Users\ganxy\.vscode\extensions\ms-python.python-2020.3.71659\out\client\extension.js:75:727360) at r.s.value (c:\Users\ganxy\.vscode\extensions\ms-python.python-2020.3.71659\out\client\extension.js:1:12849) at m.runCell (c:\Users\ganxy\.vscode\extensions\ms-python.python-2020.3.71659\out\client\extension.js:1:733715) at e._executeContributedCommand (d:\Applications\Microsoft VS Code\resources\app\out\vs\workbench\services\extensions\node\extensionHostProcess.js:592:220) at e._doExecuteCommand (d:\Applications\Microsoft VS Code\resources\app\out\vs\workbench\services\extensions\node\extensionHostProcess.js:591:378) at executeCommand (d:\Applications\Microsoft VS Code\resources\app\out\vs\workbench\services\extensions\node\extensionHostProcess.js:591:284) at y._executeConvertedCommand (d:\Applications\Microsoft VS Code\resources\app\out\vs\workbench\services\extensions\node\extensionHostProcess.js:594:105) at e._executeContributedCommand (d:\Applications\Microsoft VS Code\resources\app\out\vs\workbench\services\extensions\node\extensionHostProcess.js:592:220) at e.$executeContributedCommand (d:\Applications\Microsoft VS Code\resources\app\out\vs\workbench\services\extensions\node\extensionHostProcess.js:592:595) at e._doInvokeHandler (d:\Applications\Microsoft VS Code\resources\app\out\vs\workbench\services\extensions\node\extensionHostProcess.js:752:683) at e._invokeHandler (d:\Applications\Microsoft VS Code\resources\app\out\vs\workbench\services\extensions\node\extensionHostProcess.js:752:375) at e._receiveRequest (d:\Applications\Microsoft VS Code\resources\app\out\vs\workbench\services\extensions\node\extensionHostProcess.js:751:14) at e._receiveOneMessage (d:\Applications\Microsoft VS Code\resources\app\out\vs\workbench\services\extensions\node\extensionHostProcess.js:749:832) at d:\Applications\Microsoft VS Code\resources\app\out\vs\workbench\services\extensions\node\extensionHostProcess.js:748:34 at e.fire (d:\Applications\Microsoft VS Code\resources\app\out\vs\workbench\services\extensions\node\extensionHostProcess.js:48:497) at v.fire (d:\Applications\Microsoft VS Code\resources\app\out\vs\workbench\services\extensions\node\extensionHostProcess.js:206:615) at d:\Applications\Microsoft VS Code\resources\app\out\vs\workbench\services\extensions\node\extensionHostProcess.js:919:744 at e.fire (d:\Applications\Microsoft VS Code\resources\app\out\vs\workbench\services\extensions\node\extensionHostProcess.js:48:497) at v.fire (d:\Applications\Microsoft VS Code\resources\app\out\vs\workbench\services\extensions\node\extensionHostProcess.js:206:615) at t.PersistentProtocol._receiveMessage (d:\Applications\Microsoft VS Code\resources\app\out\vs\workbench\services\extensions\node\extensionHostProcess.js:211:17) at d:\Applications\Microsoft VS Code\resources\app\out\vs\workbench\services\extensions\node\extensionHostProcess.js:208:155 at e.fire (d:\Applications\Microsoft VS Code\resources\app\out\vs\workbench\services\extensions\node\extensionHostProcess.js:48:497) at p.acceptChunk (d:\Applications\Microsoft VS Code\resources\app\out\vs\workbench\services\extensions\node\extensionHostProcess.js:204:129) at d:\Applications\Microsoft VS Code\resources\app\out\vs\workbench\services\extensions\node\extensionHostProcess.js:203:483 at Socket.t (d:\Applications\Microsoft VS Code\resources\app\out\vs\workbench\services\extensions\node\extensionHostProcess.js:212:565) at Socket.emit (events.js:203:13) at addChunk (_stream_readable.js:295:12) at readableAddChunk (_stream_readable.js:276:11) at Socket.Readable.push (_stream_readable.js:210:10) at Pipe.onStreamRead (internal/stream_base_commons.js:166:17)]
Issue Type: Bug
Actual behavior
It will alert

Cannot read property 'uri' of undefinedwhen use jupyter interactive, and won't successfully activated. However, native jupyter works well.I have tried reinstalling the extension and the vscode, but this problem still exists.
Environment data
Extension version: 2020.3.71659
VS Code version: 1.44.2
OS version: Windows_NT x64 10.0.18363
Logs