diff --git a/install.py b/install.py
index a78f926..8604faf 100644
--- a/install.py
+++ b/install.py
@@ -18,7 +18,6 @@ def install():
     packages = [
         '"psycopg[binary]"',
         'pytest',
-        'ast',
         'influxdb_client',
         'numpy',
         'fastapi',
@@ -44,9 +43,6 @@ def install():
         'scipy',
         'scikit-learn',
         'scikit-fuzzy',
-        'scikit-fuzzy',
-        'scikit-fuzzy',
-        'scikit-fuzzy',
         ]
 
     if minor == 4: