diff --git a/pycot/data/contract_names.json b/pycot/data/contract_names.json
index 140b4bf..4645d81 100644
--- a/pycot/data/contract_names.json
+++ b/pycot/data/contract_names.json
@@ -295,4 +295,4 @@
     "ethereum": [
         "ETHER CASH SETTLED - CHICAGO MERCANTILE EXCHANGE"
     ]
-}
\ No newline at end of file
+}
diff --git a/pycot/data/cot_reports_data.json b/pycot/data/cot_reports_data.json
index 3aaa716..84f6efc 100644
--- a/pycot/data/cot_reports_data.json
+++ b/pycot/data/cot_reports_data.json
@@ -59,4 +59,4 @@
             "text_file": "FinComYY.txt"
         }
     }
-}
\ No newline at end of file
+}
diff --git a/pycot/data/format_columns.json b/pycot/data/format_columns.json
index 5a179bf..c7ccbed 100644
--- a/pycot/data/format_columns.json
+++ b/pycot/data/format_columns.json
@@ -47,4 +47,4 @@
         "Leveraged Money Long, % of OI": "Pct_of_OI_Lev_Money_Long_All",
         "Leveraged Money Short, % of OI": "Pct_of_OI_Lev_Money_Short_All"
     }
-}
\ No newline at end of file
+}