diff --git a/README.md b/README.md
index 41cc0d7..a22684c 100644
--- a/README.md
+++ b/README.md
@@ -42,8 +42,6 @@ The framework is built on top of PyTorch, a widely-used deep learning framework,
 
 ## Installation
 
-### Step 1: Install multiworld package
-
 To use the latest official package,
 
 ```bash
@@ -56,12 +54,6 @@ To install the package from source,
 pip install .
 ```
 
-### Step 2: Run post installation script
-
-```bash
-m8d-post-setup
-```
-
 ## Running Examples
 
 The list of all examples that are available can be found in the [`examples`](/examples) folder.
diff --git a/multiworld/post_setup.py b/multiworld/post_setup.py
index b3ccdd3..822e630 100644
--- a/multiworld/post_setup.py
+++ b/multiworld/post_setup.py
@@ -22,13 +22,21 @@
 
 
 def configure_once():
+    """Configure multiworld once when it is used for the first time."""
     package_name = __name__.split(".")[0]
     path_to_sitepackages = site.getsitepackages()[0]
 
     init_file_path = os.path.join(path_to_sitepackages, package_name, "init.txt")
 
-    with open(init_file_path, "r") as file:
-        patch_applied = file.read()
+    try:
+        with open(init_file_path, "r") as file:
+            patch_applied = file.read()
+    except FileNotFoundError:
+        message = "WARNING: initialization check file not found; "
+        message += f"{package_name} is not installed correctly; "
+        message += "please reinstall."
+        print(message)
+        return
 
     if patch_applied == "true":
         return