diff --git a/.gitignore b/.gitignore
index 15ebe71..d1e5532 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,6 +2,8 @@
 __pycache__/
 *.py[cod]
 *$py.class
+.pytest_cache
+
 
 # Installer logs
 pip-log.txt
diff --git a/.pytest_cache/v/cache/lastfailed b/.pytest_cache/v/cache/lastfailed
deleted file mode 100644
index 9e26dfe..0000000
--- a/.pytest_cache/v/cache/lastfailed
+++ /dev/null
@@ -1 +0,0 @@
-{}
\ No newline at end of file
diff --git a/.pytest_cache/v/cache/nodeids b/.pytest_cache/v/cache/nodeids
deleted file mode 100644
index 9a1b01d..0000000
--- a/.pytest_cache/v/cache/nodeids
+++ /dev/null
@@ -1,52 +0,0 @@
-[
-  "ice/tests/test_alignment.py::test_windowed_alignment",
-  "ice/tests/test_alignment.py::test_coord_conversion",
-  "ice/tests/test_alignment.py::test_no_aln_possible",
-  "ice/tests/test_alignment.py::test_no_aln_done",
-  "ice/tests/test_alignment.py::test_all_alignment",
-  "ice/tests/test_alignment.py::test_aln_str",
-  "ice/tests/test_alignment.py::test_aln_data",
-  "ice/tests/test_alignment.py::test_aln_shorter_sample",
-  "ice/tests/test_alignment.py::test_no_aln",
-  "ice/tests/test_alignment.py::test_donor_alignment_hdr_indel_size",
-  "ice/tests/test_analysis.py::test_high_quality_sample",
-  "ice/tests/test_analysis.py::test_lowercase_guide",
-  "ice/tests/test_analysis.py::test_low_quality_control",
-  "ice/tests/test_analysis.py::test_low_quality_control_fail",
-  "ice/tests/test_analysis.py::test_sanger_analysis_bad_path",
-  "ice/tests/test_analysis.py::test_low_quality_sample",
-  "ice/tests/test_analysis.py::test_bad_paths",
-  "ice/tests/test_analysis.py::test_alignment_fail",
-  "ice/tests/test_analysis.py::test_sequence_not_found",
-  "ice/tests/test_analysis.py::test_donor_example",
-  "ice/tests/test_analysis.py::test_donor_substitution_example",
-  "ice/tests/test_analysis.py::test_multiplex_0_0",
-  "ice/tests/test_analysis.py::test_multiplex_0_1",
-  "ice/tests/test_analysis.py::test_multiplex_0_2",
-  "ice/tests/test_analysis.py::test_multiplex_1_0",
-  "ice/tests/test_analysis.py::test_multiplex_1_1",
-  "ice/tests/test_analysis.py::test_multiplex_three_guides",
-  "ice/tests/test_analysis.py::test_multiplex_three_guides_no_editing",
-  "ice/tests/test_analysis.py::test_should_skip_proposal",
-  "ice/tests/test_batch.py::test_batch_analysis",
-  "ice/tests/test_batch.py::test_bad_batch",
-  "ice/tests/test_edit_proposal_creator.py::test_single_cut",
-  "ice/tests/test_edit_proposal_creator.py::test_human_readable_sequence_single_edit_proposal",
-  "ice/tests/test_edit_proposal_creator.py::test_human_readable_sequence_multiplex_proposal",
-  "ice/tests/test_edit_proposal_creator.py::test_multiplex_cut",
-  "ice/tests/test_edit_proposal_creator.py::test_bad_multiplex",
-  "ice/tests/test_edit_proposal_creator.py::test_wt_proposal",
-  "ice/tests/test_edit_proposal_creator.py::test_req_ctrl_trace",
-  "ice/tests/test_edit_proposal_creator.py::test_generated_trace",
-  "ice/tests/test_sanger_object.py::test_trace_to_seq",
-  "ice/tests/test_sequence.py::test_rev_comp",
-  "ice/tests/test_sequence.py::test_complement",
-  "ice/tests/test_sequence.py::test_rev_transcribe",
-  "ice/tests/test_sequence.py::test_transcribe",
-  "ice/tests/test_sequence.py::test_is_nuc_acid",
-  "ice/tests/test_sequence.py::test_rna2dna",
-  "ice/tests/test_sequence.py::test_dna2rna",
-  "ice/tests/test_utility.py::test_sequence_util",
-  "ice/tests/test_utility.py::test_dna_bad_input",
-  "ice/tests/test_utility.py::test_version"
-]
\ No newline at end of file
diff --git a/.pytest_cache/v/cache/stepwise b/.pytest_cache/v/cache/stepwise
deleted file mode 100644
index 0637a08..0000000
--- a/.pytest_cache/v/cache/stepwise
+++ /dev/null
@@ -1 +0,0 @@
-[]
\ No newline at end of file