diff --git a/utils/createDf.py b/utils/createDf.py
index 337c68b..e966a98 100644
--- a/utils/createDf.py
+++ b/utils/createDf.py
@@ -1,24 +1,25 @@
 from pandas import read_csv, read_excel, read_json
 
+
 def createDf(requestFiles):
     if "file" not in requestFiles or not requestFiles["file"]:
-        return False,"No file uploaded"
-    file=requestFiles["file"]
+        return False, "No file uploaded"
+    file = requestFiles["file"]
 
-    if (file.filename.endswith(".csv")):
-        df = read_csv(file,dtype=str)
-    elif (file.filename.endswith(".xlsx") or file.filename.endswith(".xls")):
-        df = read_excel(file,dtype=str)
-    elif (file.filename.endswith(".ods")):
-        df = read_excel(file,engine="odf",dtype=str)
-    elif (file.filename.endswith(".json")):
-        df = read_json(file,dtype=str)
+    if file.filename.endswith(".csv"):
+        df = read_csv(file, dtype=str)
+    elif file.filename.endswith(".xlsx") or file.filename.endswith(".xls"):
+        df = read_excel(file, dtype=str)
+    elif file.filename.endswith(".ods"):
+        df = read_excel(file, engine="odf", dtype=str)
+    elif file.filename.endswith(".json"):
+        df = read_json(file, dtype=str, encoding="utf-8-sig")
     else:
-        return False,"Please upload valid file format"
+        return False, "Please upload valid file format"
 
-    df = df.map(lambda x: x.strip() if isinstance(x,str) else "")
+    df = df.map(lambda x: x.strip() if isinstance(x, str) else "")
     df = df.loc[~(df == "").all(axis=1)]
 
     if not len(df):
-        return False,"Empty file uploaded"
-    return True,df
+        return False, "Empty file uploaded"
+    return True, df