refactor(git-http): rename variable to indicate configurability

bot_bottle/git_http_backend.py

@@ -20,7 +20,7 @@ from urllib.parse import urlsplit
 DEFAULT_PORT = 9420
 
 # Body-size cap matching supervise_server.py's 1 MiB limit.
-_MAX_BODY_BYTES = 1 * 1024 * 1024
+MAX_BODY_BYTES = 1 * 1024 * 1024
 
 
 class GitHttpHandler(BaseHTTPRequestHandler):
@@ -88,7 +88,7 @@ class GitHttpHandler(BaseHTTPRequestHandler):
         if length < 0:
             self.send_error(400, "Negative Content-Length")
             return
-        if length > _MAX_BODY_BYTES:
+        if length > MAX_BODY_BYTES:
             self.send_error(413, "Request body too large")
             return
         body = self.rfile.read(length) if length else b""