From 2fd052f3f787ecebd1d8c74c4a035fdb3cca1b39 Mon Sep 17 00:00:00 2001
From: Antony Lewis <antony@cosmologist.info>
Date: Thu, 4 Jul 2024 17:20:58 +0100
Subject: [PATCH] original format for _flux2cmb

---
 fgspectra/frequency.py | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/fgspectra/frequency.py b/fgspectra/frequency.py
index b65e76c..61ec6d2 100644
--- a/fgspectra/frequency.py
+++ b/fgspectra/frequency.py
@@ -20,8 +20,14 @@
 def _flux2cmb(nu):
     """Converts flux to thermodynamics units"""
     x = H_OVER_KT_CMB * nu
-    g2_min1 = (2.0 * constants.k ** 3 * T_CMB ** 2 * x ** 4 * np.exp(x)
-               / (constants.h * constants.c * np.expm1(x)) ** 2)
+    g2_min1 = (
+        2.0
+        * constants.k**3
+        * T_CMB**2
+        * x**4
+        * np.exp(x)
+        / (constants.h * constants.c * np.expm1(x)) ** 2
+    )
     return 1.0 / g2_min1