test_full_html: TypeError: <generator object to_records at 0x7f11c3f2efa0> is not JSON serializable

[jayvdb]

[    8s] ======================================================================
[    8s] ERROR: test_gantt.test_full_html
[    8s] ----------------------------------------------------------------------
[    8s] Traceback (most recent call last):
[    8s]   File "/usr/lib/python2.7/site-packages/nose/case.py", line 197, in runTest
[    8s]     self.test(*self.arg)
[    8s]   File "/home/abuild/rpmbuild/BUILD/pyexcel-gantt-0.0.1/tests/test_gantt.py", line 11, in test_full_html
[    8s]     chart.render_sheet(sheet)
[    8s]   File "/home/abuild/rpmbuild/BUILD/pyexcel-gantt-0.0.1/pyexcel_gantt/gantt.py", line 21, in render_sheet
[    8s]     tasks=utils.dumps(sheet.get_records()),
[    8s]   File "/home/abuild/rpmbuild/BUILD/pyexcel-gantt-0.0.1/pyexcel_gantt/utils.py", line 56, in dumps
[    8s]     return json.dumps(data, cls=DateTimeEncoder)
[    8s]   File "/usr/lib64/python2.7/json/__init__.py", line 251, in dumps
[    8s]     sort_keys=sort_keys, **kw).encode(obj)
[    8s]   File "/usr/lib64/python2.7/json/encoder.py", line 207, in encode
[    8s]     chunks = self.iterencode(o, _one_shot=True)
[    8s]   File "/usr/lib64/python2.7/json/encoder.py", line 270, in iterencode
[    8s]     return _iterencode(o, 0)
[    8s]   File "/home/abuild/rpmbuild/BUILD/pyexcel-gantt-0.0.1/pyexcel_gantt/utils.py", line 52, in default
[    8s]     return json.JSONEncoder.default(self, obj)
[    8s]   File "/usr/lib64/python2.7/json/encoder.py", line 184, in default
[    8s]     raise TypeError(repr(o) + " is not JSON serializable")
[    8s] TypeError: <generator object to_records at 0x7f11c3f2efa0> is not JSON serializable

[jayvdb]

Also test_embed_html