{'TIME': 41387.756580046, 'Watts': 0.235089},
{'TIME': 41387.756585706, 'Watts': 0.235041},
{'TIME': 41387.756591365, 'Watts': 0.235412},
{'TIME': 41387.756597013, 'Watts': 0.234617},
Python: How can I use ggplot with a simple 2 column array?