diff --git a/deploy.py b/deploy.py
index 3026c7abd81a12634b54871c3aeb3442192fb8be..f51988570d15e2e7970084fe72917b91999ce48f 100755
--- a/deploy.py
+++ b/deploy.py
@@ -304,7 +304,8 @@ class OpenSKInstaller:
   def build_tockos(self):
     info("Building Tock OS for board {}".format(self.args.board))
     props = SUPPORTED_BOARDS[self.args.board]
-    out_directory = os.path.join("third_party", "tock", "target", props.arch, "release")
+    out_directory = os.path.join("third_party", "tock", "target", props.arch,
+                                 "release")
     os.makedirs(out_directory, exist_ok=True)
     self.checked_command_output(["make"], cwd=props.path)
 
@@ -418,8 +419,9 @@ class OpenSKInstaller:
 
   def install_tock_os(self):
     board_props = SUPPORTED_BOARDS[self.args.board]
-    kernel_file = os.path.join("third_party", "tock", "target", board_props.arch,
-                               "release", "{}.bin".format(self.args.board))
+    kernel_file = os.path.join("third_party", "tock", "target",
+                               board_props.arch, "release",
+                               "{}.bin".format(self.args.board))
     info("Flashing file {}.".format(kernel_file))
     with open(kernel_file, "rb") as f:
       kernel = f.read()
@@ -481,8 +483,9 @@ class OpenSKInstaller:
 
     if self.args.tockos:
       # Process kernel
-      kernel_path = os.path.join("third_party", "tock", "target", board_props.arch,
-                                 "release", "{}.bin".format(self.args.board))
+      kernel_path = os.path.join("third_party", "tock", "target",
+                                 board_props.arch, "release",
+                                 "{}.bin".format(self.args.board))
       with open(kernel_path, "rb") as kernel:
         kern_hex = intelhex.IntelHex()
         kern_hex.frombytes(kernel.read(), offset=board_props.kernel_address)