diff --git a/doc/changelog.d/6748.fixed.md b/doc/changelog.d/6748.fixed.md
new file mode 100644
index 00000000000..ffed61ffa94
--- /dev/null
+++ b/doc/changelog.d/6748.fixed.md
@@ -0,0 +1 @@
+F-string usage for IronPython compatibility
diff --git a/doc/source/Resources/pyaedt_installer_from_aedt.py b/doc/source/Resources/pyaedt_installer_from_aedt.py
index 462b7b36153..da6a39a367d 100644
--- a/doc/source/Resources/pyaedt_installer_from_aedt.py
+++ b/doc/source/Resources/pyaedt_installer_from_aedt.py
@@ -360,7 +360,6 @@ def install_pyaedt():
             subprocess.run(command, check=True, env=env)  # nosec
         else:
             # Try to install uv and use it, fallback to pip if it fails
-            uv_available = True
             try:
                 print("Installing uv in the virtual environment...")
                 subprocess.run([str(pip_exe), "--default-timeout=1000", "install", "uv"], check=True, env=env)  # nosec
@@ -375,9 +374,8 @@ def install_pyaedt():
                 else:
                     subprocess.run([str(uv_exe), "pip", "install", "pyaedt[all]"], check=True, env=env)  # nosec
             except subprocess.CalledProcessError as e:
-                print(f"uv installation failed with error: {e}")
+                print("uv installation failed with error: {}".format(e))
                 print("Falling back to pip for package installation...")
-                uv_available = False
                 subprocess.run([str(pip_exe), "--default-timeout=1000", "install", "--upgrade", "pip"], check=True, env=env)  # nosec
                 subprocess.run([str(pip_exe), "--default-timeout=1000", "install", "wheel"], check=True, env=env)  # nosec
                 if args.version <= "231":
@@ -442,7 +440,7 @@ def install_pyaedt():
                 else:
                     subprocess.run([str(uv_exe), "pip", "install", "pyaedt[all]"], check=True, env=env)  # nosec
             except subprocess.CalledProcessError as e:
-                print(f"uv installation failed with error: {e}")
+                print("uv installation failed with error: {}".format(e))
                 print("Falling back to pip for package installation...")
                 subprocess.run([str(pip_exe), "--default-timeout=1000", "uninstall", "pyaedt", "-y"], check=True, env=env)  # nosec
                 if args.version <= "231":