diff --git a/cobaya/install.py b/cobaya/install.py
index 473ad840..a6c7c2d0 100644
--- a/cobaya/install.py
+++ b/cobaya/install.py
@@ -190,9 +190,9 @@ def install(*infos, **kwargs):
             package_install = info.get("package_install") or {}
             # If a class_name AND pip install were specified, make sure the class name is
             # used. Otherwise the pip package would be inferred from the alias.
-            if(package_install == "pip"):
+            if (package_install == "pip"):
                 package_install = {"pip": None}
-            if("pip" in package_install and package_install["pip"] is None):
+            if ("pip" in package_install and package_install["pip"] is None):
                 package_install["pip"] = class_name
             min_version = package_install.get('min_version')