Bug: float in c(t) graph in case of no breaks
I guess we need to add a new case "no breaks" into this definition:
def hours2time(hours: float):
# Convert times like 14.5 to strings, like "14:30"
https://gitlab.cern.ch/cara/cara/-/blob/master/cara/apps/calculator/model_generator.py#L374
See https://gitlab.cern.ch/cara/cara/-/issues/134#note_4099856