<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def as_ompenv(cls, obj):
 """Convert an object into a OmpEnv"""

        if isinstance(obj, cls): return obj
        if obj is None: return cls()
        return cls(**obj)