[common] use with statement to open files

beat/cmdline/common.py

@@ -1530,21 +1530,17 @@ def push(
         # C++ algorithms must be sent in two steps, we send the binary file now
         if asset_type == "algorithm" and storage.language == "cxx":
             try:
-                webapi.upload(
-                    "/api/v1/%s/%s/%s/%s/file/"
-                    % (
-                        TYPE_PLURAL[asset_type],
-                        webapi.user,
-                        storage.name,
-                        storage.version,
-                    ),
-                    {
-                        "binary": (
-                            "%s.so" % storage.version,
-                            open(storage.code.path, "rb"),
-                        )
-                    },
-                )
+                with open(storage.code.path, "rb") as f:
+                    webapi.upload(
+                        "/api/v1/%s/%s/%s/%s/file/"
+                        % (
+                            TYPE_PLURAL[asset_type],
+                            webapi.user,
+                            storage.name,
+                            storage.version,
+                        ),
+                        {"binary": ("%s.so" % storage.version, f)},
+                    )
             except RuntimeError as e:
                 logger.error(e)
                 return 1