[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

builder/builder/tests/builder_test.py

@@ -20,7 +20,7 @@ class RequestMock:
     def __init__(self, status_code, text):
         self.status_code = status_code
         self.text = text  # str
-        self.content = text.encode(encoding='utf-8')  # bytes
+        self.content = text.encode(encoding="utf-8")  # bytes
 
 
 def test_BuildSnakefile():