Blacken under black 18.5b0

1 files changed, 1 insertions, 1 deletions

diff --git a/paramiko/proxy.py b/paramiko/proxy.py
index d0ef8784..444c47b6 100644
--- a/paramiko/proxy.py
+++ b/paramiko/proxy.py
@@ -89,7 +89,7 @@ class ProxyCommand(ClosingContextManager):
             while len(buffer) < size:
                 select_timeout = None
                 if self.timeout is not None:
-                    elapsed = (time.time() - start)
+                    elapsed = time.time() - start
                     if elapsed >= self.timeout:
                         raise socket.timeout()
                     select_timeout = self.timeout - elapsed