environment/lib/python2.7/site-packages/IPython/extensions/sympyprinting.py
def print_png(o):
    """
    A function to display sympy expression using inline style LaTeX in PNG.
    """
    s = latex(o, mode='inline')
    # mathtext does not understand certain latex flags, so we try to replace
    # them with suitable subs.
    s = s.replace('\\operatorname','')
    s = s.replace('\\overline', '\\bar')
    png = latex_to_png(s)
    return png
def print_png(o):
    """
    A function to display sympy expression using inline style LaTeX in PNG.
    """
    s = latex(o, mode='inline')
    # mathtext does not understand certain latex flags, so we try to replace
    # them with suitable subs.
    s = s.replace('\\operatorname','')
    s = s.replace('\\overline', '\\bar')
    png = latex_to_png(s)
    return png
A function to display sympy expression using inline style LaTeX in PNG.