diff --git a/Python_tool/MuscleParOptTool/.directory b/Python_tool/MuscleParOptTool/.directory
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+++ /dev/null
@@ -1,3 +0,0 @@
-[Dolphin]
-Timestamp=2021,4,1,17,45,24
-Version=4
diff --git a/Python_tool/MuscleParOptTool/__pycache__/Private_functions.cpython-37.pyc b/Python_tool/MuscleParOptTool/__pycache__/Private_functions.cpython-37.pyc
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diff --git a/Python_tool/MuscleParOptTool/__pycache__/Public_functions.cpython-37.pyc b/Python_tool/MuscleParOptTool/__pycache__/Public_functions.cpython-37.pyc
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diff --git a/Python_tool/MuscleParOptTool/__pycache__/optimMuscleParams.cpython-37.pyc b/Python_tool/MuscleParOptTool/__pycache__/optimMuscleParams.cpython-37.pyc
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diff --git a/Python_tool/requirements.txt b/Python_tool/requirements.txt
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+++ b/Python_tool/requirements.txt
@@ -0,0 +1,5 @@
+numpy==1.18.1
+scipy==1.4.1
+lxml==4.6.3
+opensim==3.3
+scikit_learn==0.24.1