Cleanup the setup instructions

README.md

@@ -167,49 +167,43 @@ You can add your SSH Keys to your GitLab account by going to your profile settin
     ```
     git clone git@gitlab.aicrowd.com:nethack/neurips-2021-the-nethack-challenge.git
     ```
-
-3. **Install** competition specific dependencies!
+    
+3. **Verify you have dependencies** for the Nethack Learning Environment
+    NLE requires `python>=3.5`, `cmake>=3.14` to be installed and available both when building the
+    package, and at runtime.
+    
+    On **MacOS**, one can use `Homebrew` as follows:
+    
+    ``` bash
+    $ brew install cmake
     ```
-    pip install -r requirements
+    
+    On a plain **Ubuntu 18.04** distribution, `cmake` and other dependencies
+    can be installed by doing:
+    
+    ```bash
+    # Python and most build deps
+    $ sudo apt-get install -y build-essential autoconf libtool pkg-config \
+        python3-dev python3-pip python3-numpy git flex bison libbz2-dev
+    
+    # recent cmake version
+    $ wget -O - https://apt.kitware.com/keys/kitware-archive-latest.asc 2>/dev/null | sudo apt-key add -
+    $ sudo apt-add-repository 'deb https://apt.kitware.com/ubuntu/ bionic main'
+    $ sudo apt-get update && apt-get --allow-unauthenticated install -y \
+        cmake \
+        kitware-archive-keyring
     ```
 
-4. Run rollouts with a random agent with `python test_submission.py`.
-
-### For setting up the Nethack Learning Environment:
-
-NLE requires `python>=3.5`, `cmake>=3.14` to be installed and available both when building the
-package, and at runtime.
-
-On **MacOS**, one can use `Homebrew` as follows:
-
-``` bash
-$ brew install cmake
-```
-
-On a plain **Ubuntu 18.04** distribution, `cmake` and other dependencies
-can be installed by doing:
-
-```bash
-# Python and most build deps
-$ sudo apt-get install -y build-essential autoconf libtool pkg-config \
-    python3-dev python3-pip python3-numpy git flex bison libbz2-dev
-
-# recent cmake version
-$ wget -O - https://apt.kitware.com/keys/kitware-archive-latest.asc 2>/dev/null | sudo apt-key add -
-$ sudo apt-add-repository 'deb https://apt.kitware.com/ubuntu/ bionic main'
-$ sudo apt-get update && apt-get --allow-unauthenticated install -y \
-    cmake \
-    kitware-archive-keyring
-```
-
-Afterwards it's a matter of setting up your environment. We advise using a conda
-environment for this:
+4. **Install** competition specific dependencies!
+    We advise using a conda environment for this:
+    ```bash
+    # Optional: Create a conda env
+    $ conda create -n nle_challenge python=3.8
+    $ conda activate nle_challenge
+    $ pip install -r requirements.txt
+    ```
 
-```bash
-$ conda create -n nle python=3.8
-$ conda activate nle
-$ pip install nle
-```
+5. Run rollouts with a random agent with `python test_submission.py`.
 
 Find more details on the [original nethack repository](https://github.com/facebookresearch/nle)