diff --git a/README.md b/README.md
index 0fa13a7..65ac50b 100644
--- a/README.md
+++ b/README.md
@@ -6,6 +6,5 @@ Tackling emergent dysfunctions (EDYs) in cooperation with Fraunhofer-IKS
 1. Make sure to install `virtualenv` using `pip install virtualenv`  
 2. Create a new virtual environment `virtualenv venv`
 3. Activate the virtual environment `source venv/bin/activate`
-4. Install the required dependencies `pip install requirements.txt`
-
+4. Install the required dependencies `pip install -r requirements.txt`
 ## 
diff --git a/environments/factory/base/base_factory.py b/environments/factory/base/base_factory.py
index 9106abd..d417190 100644
--- a/environments/factory/base/base_factory.py
+++ b/environments/factory/base/base_factory.py
@@ -11,7 +11,6 @@ from gym import spaces
 from gym.wrappers import FrameStack
 
 from environments.factory.base.shadow_casting import Map
-from environments.factory.renderer import Renderer, RenderEntity
 from environments.helpers import Constants as c, Constants
 from environments import helpers as h
 from environments.factory.base.objects import Agent, Tile, Action
@@ -545,6 +544,8 @@ class BaseFactory(gym.Env):
 
     def render(self, mode='human'):
         if not self._renderer:  # lazy init
+            from environments.factory.renderer import Renderer, RenderEntity
+            global Renderer, RenderEntity
             height, width = self._obs_cube.shape[1:]
             self._renderer = Renderer(width, height, view_radius=self._pomdp_r, fps=5)
 
diff --git a/environments/factory/levels/shelves.txt b/environments/factory/levels/shelves.txt
new file mode 100644
index 0000000..7154cb6
--- /dev/null
+++ b/environments/factory/levels/shelves.txt
@@ -0,0 +1,13 @@
+############
+#----------#
+#--######--#
+#----------#
+#--######--#
+#----------#
+#--######--#
+#----------#
+#--######--#
+#----------#
+#--######--#
+#----------#
+############
\ No newline at end of file
diff --git a/requirements.txt b/requirements.txt
index 1d1a27c..270a9fd 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,32 +1,12 @@
-appdirs==1.4.4
-click==7.1.2
-cycler==0.10.0
-distlib==0.3.1
-filelock==3.0.12
-kiwisolver==1.3.1
-matplotlib==3.4.1
-numpy==1.20.2
-pandas~=1.2.3
-pygame~=2.0.1
-pep517==0.10.0
-Pillow==8.2.0
-pyparsing==2.4.7
-python-dateutil==2.8.1
-pytz==2021.1
-scipy==1.6.3
-seaborn==0.11.1
-six==1.16.0
-toml==0.10.2
-torch==1.8.1
-torchaudio==0.8.1
-torchvision==0.9.1
-typing-extensions==3.10.0.0
-virtualenv==20.4.6
-
-gym~=0.18.0
-PyYAML~=5.3.1
-pyglet~=1.5.0
-optuna~=2.7.0
-natsort~=7.1.1
-tqdm~=4.60.0
-networkx~=2.6.1
\ No newline at end of file
+numpy
+scipy
+tqdm
+seaborn>=0.11.1
+matplotlib>=3.4.1
+stable-baselines3>=1.0
+pygame>=2.1.0
+gym>=0.18.0
+networkx>=2.6.1
+simplejson>=3.17.5
+PyYAML>=6.0
+git+https://github.com/facebookresearch/salina.git@main#egg=salina
\ No newline at end of file
diff --git a/setup.py b/setup.py
deleted file mode 100644
index ac693c5..0000000
--- a/setup.py
+++ /dev/null
@@ -1,7 +0,0 @@
-# setup.py
-from setuptools import setup, find_packages
-
-setup(
-    name='F_IKS',
-    packages=find_packages()
-)
diff --git a/studies/sat_mad.py b/studies/sat_mad.py
index 9eb270d..6b3b1f6 100644
--- a/studies/sat_mad.py
+++ b/studies/sat_mad.py
@@ -1,12 +1,29 @@
 from environments.factory import make
-import random
+import salina
+import torch
 from gym.wrappers import FrameStack
 
-n_agents = 4
-env = make('DirtyFactory-v0', n_agents=n_agents)
-env = FrameStack(env, num_stack=3)
-state, *_ = env.reset()
 
-for i in range(1000):
-    state, *_ = env.step([env.unwrapped.action_space.sample() for _ in range(n_agents)])
-    env.render()
\ No newline at end of file
+class MyAgent(salina.TAgent):
+    def __init__(self):
+        super(MyAgent, self).__init__()
+
+    def forward(self, t, **kwargs):
+        self.set(('timer', t), torch.tensor([t]))
+
+
+if __name__ == '__main__':
+    n_agents = 1
+    env = make('DirtyFactory-v0', n_agents=n_agents)
+    env = FrameStack(env, num_stack=3)
+    env.reset()
+    agent = MyAgent()
+    workspace = salina.Workspace()
+    agent(workspace, t=0, n_steps=10)
+
+    print(workspace)
+
+
+    for i in range(1000):
+        state, *_ = env.step([env.unwrapped.action_space.sample() for _ in range(n_agents)])
+        #env.render()
\ No newline at end of file