Update bolometric.py (#430)

* Update bolometric.py

replace negative flux values by 0

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Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: Konstantin Malanchev <hombit@gmail.com>

Author: 3 people

light-curve/light_curve/light_curve_py/features/rainbow/bolometric.py

@@ -220,7 +220,7 @@ def value(t, t0, amplitude, rise_time):
         power = np.where(power > 100, 100, power)
         result = amplitude * scale * dt * np.exp(power)
 
-        return result
+        return np.where(result > 0, result, 0)
 
     @staticmethod
     def initial_guesses(t, m, sigma, band):