fix fetch logic

Author: dwoz

relenv/fetch.py

@@ -51,16 +51,15 @@ def fetch(version, triplet, python, check_hosts=CHECK_HOSTS):
     """
     Fetch the specified python build.
     """
-    try:
-        url = f"https://github.com/saltstack/relenv/releases/download/v{version}/{python}-{triplet}.tar.xz"
-        if not check_url(url, timeout=5):
-            for host in check_hosts:
-                url = f"https://{host}/relenv/{version}/build/{python}-{triplet}.tar.xz"
-                if check_url(url, timeout=5):
-                    break
-    else:
-        print(f"Unable to find file on any hosts {' '.join(check_hosts)}")
-        sys.exit(1)
+    url = f"https://github.com/saltstack/relenv/releases/download/v{version}/{python}-{triplet}.tar.xz"
+    if not check_url(url, timeout=5):
+        for host in check_hosts:
+            url = f"https://{host}/relenv/{version}/build/{python}-{triplet}.tar.xz"
+            if check_url(url, timeout=5):
+                break
+        else:
+            print(f"Unable to find file on any hosts {' '.join(check_hosts)}")
+            sys.exit(1)
     builddir = work_dir("build", DATA_DIR)
     os.makedirs(builddir, exist_ok=True)
     download_url(url, builddir)