[Bug] 'True' used before definition (same for 'False')

[GeoloeG-IsT]

Environment data

• VS Code version: 1.29.0
• Extension version (available under the Extensions sidebar): 2018.10.1
• OS and version: Linux Ubuntu 18.014
• Python version (& distribution if applicable, e.g. Anaconda): 2.7.15
• Type of virtual environment used (N/A | venv | virtualenv | conda | ...): virtualenv
• Relevant/affected Python packages and their versions: N/A

Actual behavior

The following warning appears when assigning a variable to True or False:

[Python] 'False' used before definition

Expected behavior

No warning.

Steps to reproduce:

1. Create a new file called hello.py
2. Insert the following code:

a = True
print(a)

3. Wait for the warning to appear...

[asierralozano]

I think that this is the same error as microsoft/python-language-server#387

[jakebailey]

This is #3274.

[luabud]

Fixed upstream (microsoft/python-language-server#391)