Creating regions from curves

I have extrapolated the room areas, however, someone on the team created gaps that wouldn’t work in an energy model where I need all the walls to be attached side to side (basically a wall is a paper) so now I got the lines between the walls around the centerlines and I want to create new regions (rooms) I have a problem the code just gives me nulls. here is the code:

import Rhino.Geometry as rg

def find_enclosed_regions(curves, tol):
    # Create a list to store the enclosed regions
    enclosed_regions = []
    
    # Loop through each curve in the list
    for i, crv1 in enumerate(curves):
        # Create an empty list to store the curves that are enclosed by the current curve
        enclosed_curves = []
        
        # Check if the curve is closed
        if not crv1.IsClosed:
            continue
            
        # Loop through the remaining curves in the list
        for j, crv2 in enumerate(curves[i+1:], i+1):
            # Check if the curve is closed
            if not crv2.IsClosed:
                continue
                
            # Check if the first curve contains the second curve
            if crv1.Contains(crv2, rg.Plane.WorldXY, tol, True):
                enclosed_curves.append(crv2)
            
            # Check if the second curve contains the first curve
            elif crv2.Contains(crv1, rg.Plane.WorldXY, tol, True):
                enclosed_curves.append(crv1)
                
        # If there are any enclosed curves, add them to the list of enclosed regions
        if enclosed_curves:
            enclosed_curves.append(crv1)
            enclosed_regions.append(enclosed_curves)
            
    return enclosed_regions

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