diff --git a/.gitignore b/.gitignore
index 180e51dcc3fd7c05b9039988dbcd04b74d7117fc..ba751ec1da71b56e78033bcddab6b6c494c37800 100644
--- a/.gitignore
+++ b/.gitignore
@@ -13,4 +13,5 @@ output/*
 *.swp
 .python-version
 
+__pycache__/
 .ipynb_checkpoints/
diff --git a/.ipynb_checkpoints/python_API_test-checkpoint.py b/.ipynb_checkpoints/python_API_test-checkpoint.py
deleted file mode 100755
index 8fe7e62dc27afaa85848fc33f18b174681dfed15..0000000000000000000000000000000000000000
--- a/.ipynb_checkpoints/python_API_test-checkpoint.py
+++ /dev/null
@@ -1,39 +0,0 @@
-#!/usr/bin/python3
-
-import binary_c_python_api
-
-############################################################
-# Test script to run a binary using the binary_c Python
-# module.
-############################################################
-
-
-def run_test_binary():
-    m1 = 15.0  # Msun
-    m2 = 14.0  # Msun
-    separation = 0  # 0 = ignored, use period
-    orbital_period = 4530.0  # days
-    eccentricity = 0.0
-    metallicity = 0.02
-    max_evolution_time = 15000
-    buffer = ""
-    argstring = "binary_c M_1 {0:g} M_2 {1:g} separation {2:g} orbital_period {3:g} eccentricity {4:g} metallicity {5:g} max_evolution_time {6:g}  ".format(
-        m1,
-        m2,
-        separation,
-        orbital_period,
-        eccentricity,
-        metallicity,
-        max_evolution_time,
-    )
-
-    output = binary_c_python_api.run_binary(argstring)
-
-    print("\n\nBinary_c output:\n\n")
-    print(output)
-
-
-# binary_star = binary_c_python_api.new_system()
-
-# print(binary_star)
-run_test_binary()
\ No newline at end of file
diff --git a/__pycache__/defaults.cpython-36.pyc b/__pycache__/defaults.cpython-36.pyc
deleted file mode 100644
index 16d2a1e2a2eebed842457dfebe2c60d92cc79c8d..0000000000000000000000000000000000000000
Binary files a/__pycache__/defaults.cpython-36.pyc and /dev/null differ