Fix division for Python 3
Fix division for Python 3

pupil-labs/PyAV,markreidvfx/PyAV,pupil-labs/PyAV,markreidvfx/PyAV,mikeboers/PyAV,danielballan/PyAV,xxr3376/PyAV,markreidvfx/PyAV,xxr3376/PyAV,mcpv/PyAV,pupil-labs/PyAV,mcpv/PyAV,danielballan/PyAV,mikeboers/PyAV,danielballan/PyAV,PyAV-Org/PyAV,mcpv/PyAV,PyAV-Org/PyAV,pupil-labs/PyAV,xxr3376/PyAV