Test suite of pygobject sometimes passes "places" argument of assertAlmostEqual() as positional argument and sometimes as keyword argument. I suggest to always pass it as keyword argument.

$ grep -r assertAlmostEqual *
ChangeLog:    assertAlmostEquals → assertAlmostEqual
tests/test_gobject.py:        self.assertAlmostEqual(value.get_value(), 1e50)
tests/test_properties.py:        self.assertAlmostEqual(self.get_prop(obj, 'some-float'), 42.42, 4)
tests/test_properties.py:        self.assertAlmostEqual(self.get_prop(obj, 'some-float'), 42.0, 4)
tests/test_properties.py:        self.assertAlmostEqual(self.get_prop(obj, 'some-float'), 42.0, 4)
tests/test_properties.py:        self.assertAlmostEqual(self.get_prop(obj, 'some-double'), 42.42)
tests/test_properties.py:        self.assertAlmostEqual(self.get_prop(obj, 'some-double'), 42.0)
tests/test_properties.py:        self.assertAlmostEqual(self.get_prop(obj, 'some-double'), 42.0)
tests/test_everything.py:        self.assertAlmostEqual(two, 5.0)
tests/test_everything.py:        self.assertAlmostEqual(three, 7.5)
tests/test_signal.py:        self.assertAlmostEqual(rv, 1.234, 4)
tests/test_signal.py:        self.assertAlmostEqual(rv, 1.234, 4)
tests/test_gi.py:        self.assertAlmostEqual(self.MAX, GIMarshallingTests.float_return())
tests/test_gi.py:        self.assertAlmostEqual(self.MAX, GIMarshallingTests.float_out())
tests/test_gi.py:        self.assertAlmostEqual(self.MIN, GIMarshallingTests.float_inout(Number(self.MAX)))
tests/test_gi.py:        self.assertAlmostEqual(self.MAX, GIMarshallingTests.double_return())
tests/test_gi.py:        self.assertAlmostEqual(self.MAX, GIMarshallingTests.double_out())
tests/test_gi.py:        self.assertAlmostEqual(self.MIN, GIMarshallingTests.double_inout(Number(self.MAX)))
tests/test_gi.py:        self.assertAlmostEqual(GIMarshallingTests.callback_one_out_parameter(cb), 5.5)
tests/test_gi.py:        self.assertAlmostEqual(res[0], 5.5)
tests/test_gi.py:        self.assertAlmostEqual(res[1], 42.0)
tests/test_gi.py:        self.assertAlmostEqual(res[1], 42.0)
tests/test_gi.py:        self.assertAlmostEqual(object_.vfunc_one_out_parameter(), 42.42, places=5)
tests/test_gi.py:        self.assertAlmostEqual(a, 42.42, places=5)
tests/test_gi.py:        self.assertAlmostEqual(b, 3.14, places=5)