lib/render/mesh.py [89:110]:
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    if isinstance(mesh_file, str):
        f = open(mesh_file, "r")
    else:
        f = mesh_file
    for line in f:
        if isinstance(line, bytes):
            line = line.decode("utf-8")
        if line.startswith('#'):
            continue
        values = line.split()
        if not values:
            continue

        if values[0] == 'v':
            v = list(map(float, values[1:4]))
            vertex_data.append(v)
        elif values[0] == 'vn':
            vn = list(map(float, values[1:4]))
            norm_data.append(vn)
        elif values[0] == 'vt':
            vt = list(map(float, values[1:3]))
            uv_data.append(vt)
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lib/render/mesh.py [203:224]:
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    if isinstance(mesh_file, str):
        f = open(mesh_file, "r")
    else:
        f = mesh_file
    for line in f:
        if isinstance(line, bytes):
            line = line.decode("utf-8")
        if line.startswith('#'):
            continue
        values = line.split()
        if not values:
            continue

        if values[0] == 'v':
            v = list(map(float, values[1:4]))
            vertex_data.append(v)
        elif values[0] == 'vn':
            vn = list(map(float, values[1:4]))
            norm_data.append(vn)
        elif values[0] == 'vt':
            vt = list(map(float, values[1:3]))
            uv_data.append(vt)
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