diff --git a/.gitignore b/.gitignore
index 24d76ea..08a9f52 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 testdata/
+__pycache__/
diff --git a/src/algorithms/__pycache__/dmlib.cpython-36.pyc b/src/algorithms/__pycache__/dmlib.cpython-36.pyc
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diff --git a/src/algorithms/__pycache__/dmtest.cpython-36.pyc b/src/algorithms/__pycache__/dmtest.cpython-36.pyc
deleted file mode 100644
index dd09c62..0000000
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