diff --git a/src/cli.py b/src/cli.py
--- a/src/cli.py
+++ b/src/cli.py
@@ -9,8 +9,8 @@ def run():
 	parser = ArgumentParser()
 	subparsers = parser.add_subparsers()
 
-	buildSplitParser(subparsers.add_parser("split"))
-	buildJoinParser(subparsers.add_parser("join"))
+	build_split_parser(subparsers.add_parser("split"))
+	build_join_parser(subparsers.add_parser("join"))
 
 	parser.set_defaults(func=lambda _: parser.error("missing command"))
 
@@ -18,11 +18,11 @@ def run():
 	args.func(args)
 
 
-def buildSplitParser(parser):
+def build_split_parser(parser):
 	parser.add_argument("-k", type=int, required=True, help="number of shares necessary for recovering the secret")
 	parser.add_argument("-n", type=int, required=True, help="number of generated shares")
 
-	encoding=parser.add_mutually_exclusive_group()
+	encoding = parser.add_mutually_exclusive_group()
 	encoding.add_argument("--hex", action="store_true", help="encode shares' bytes as a hexadecimal string")
 	encoding.add_argument("--b32", action="store_true", help="encode shares' bytes as a base32 string")
 	encoding.add_argument("--b64", action="store_true", help="encode shares' bytes as a base64 string")
@@ -31,8 +31,8 @@ def buildSplitParser(parser):
 	parser.set_defaults(func=_generate)
 	
 
-def buildJoinParser(parser):
-	encoding=parser.add_mutually_exclusive_group()
+def build_join_parser(parser):
+	encoding = parser.add_mutually_exclusive_group()
 	encoding.add_argument("--hex", action="store_true", help="decode shares' bytes from a hexadecimal string")
 	encoding.add_argument("--b32", action="store_true", help="decode shares' bytes from a base32 string")
 	encoding.add_argument("--b64", action="store_true", help="decode shares' bytes from a base64 string")
@@ -43,7 +43,7 @@ def buildJoinParser(parser):
 
 
 def _generate(args):
-	encoding = getEncoding(args) or "b32"
+	encoding = get_encoding(args) or "b32"
 
 	try:
 		shares = generate(args.secret, args.k, args.n, encoding)
@@ -54,14 +54,14 @@ def _generate(args):
 
 
 def _reconstruct(args):
-	encoding = getEncoding(args)
+	encoding = get_encoding(args)
 	try:
 		print(reconstruct(*args.share, encoding=encoding, raw=args.raw))
 	except SException as e:
 		print(e)
 
 
-def getEncoding(args):
+def get_encoding(args):
 	if args.hex: return "hex"
 	elif args.b32: return "b32"
 	elif args.b64: return "b64"