Univers decides to explode when truth is violated #25

>>> from univers.version_range import NginxVersionRange
>>> rng = NginxVersionRange.from_string('vers:nginx/>=1.9.5|<=1.17.2')
>>> SemverVersion("1.9.8") in rng
True
>>> SemverVersion("1.9.5") in rng
True
>>> SemverVersion("1.9.4") in rng
---------------------------------------------------------------------------
Exception                                 Traceback (most recent call last)
<ipython-input-92-15259a3594cd> in <module>
----> 1 SemverVersion("1.9.4") in rng

~/Contrib/univers/src/univers/version_range.py in __contains__(self, version)
    159                 f"{version!r} is not of expected type: {self.version_class!r}",
    160             )
--> 161         return contains_version(version, self.constraints)
    162
    163     contains = __contains__

~/Contrib/univers/src/univers/version_constraint.py in contains_version(version, constraints)
    503         else:
    504             # this should never happen as the constraints must be valid going in
--> 505             raise Exception(f"Invalid constraints sequence: {constraints }")
    506
    507     # If this is the last iteration and next comparator is ">" or >="

Exception: Invalid constraints sequence: [VersionConstraint(comparator='>=', version=SemverVersion(string='1.9.5')), VersionConstraint(comparator='<=', version=SemverVersion(string='1.17.2'))]