To reproduce bug, create docstring:
"""
$n \\leq 0$.
`l` is interfering.
"""
Result:

It appears that processing l somehow eats escape characters in \\leq as one possible workaround is to write \\\\leq
If l is changed to something different, equation is rendered properly:
'''
$n \\leq 0$.
`k` is not interfering.
'''

Similarly:
"""
$n \\geq 0$.
`g` is interfering.
"""
