diff --git a/energy_models/models/methane/fossil_gas/fossil_gas.py b/energy_models/models/methane/fossil_gas/fossil_gas.py
index 2f954a91..e395c384 100644
--- a/energy_models/models/methane/fossil_gas/fossil_gas.py
+++ b/energy_models/models/methane/fossil_gas/fossil_gas.py
@@ -16,6 +16,7 @@
 '''
 
 import pandas as pd
+
 from energy_models.core.stream_type.carbon_models.carbon_capture import CarbonCapture
 from energy_models.core.stream_type.energy_models.methane import Methane
 from energy_models.core.techno_type.base_techno_models.methane_techno import (