diff --git a/tests/conftest.py b/spacy/tests/conftest.py similarity index 100% rename from tests/conftest.py rename to spacy/tests/conftest.py diff --git a/tests/de/test_de.py b/spacy/tests/de/test_de.py similarity index 100% rename from tests/de/test_de.py rename to spacy/tests/de/test_de.py diff --git a/tests/matcher/test_matcher_bugfixes.py b/spacy/tests/matcher/test_matcher_bugfixes.py similarity index 100% rename from tests/matcher/test_matcher_bugfixes.py rename to spacy/tests/matcher/test_matcher_bugfixes.py diff --git a/tests/morphology/test_morphology_pickle.py b/spacy/tests/morphology/test_morphology_pickle.py similarity index 100% rename from tests/morphology/test_morphology_pickle.py rename to spacy/tests/morphology/test_morphology_pickle.py diff --git a/tests/munge/test_align.py b/spacy/tests/munge/test_align.py similarity index 100% rename from tests/munge/test_align.py rename to spacy/tests/munge/test_align.py diff --git a/tests/munge/test_bad_periods.py b/spacy/tests/munge/test_bad_periods.py similarity index 100% rename from tests/munge/test_bad_periods.py rename to spacy/tests/munge/test_bad_periods.py diff --git a/tests/munge/test_detokenize.py b/spacy/tests/munge/test_detokenize.py similarity index 100% rename from tests/munge/test_detokenize.py rename to spacy/tests/munge/test_detokenize.py diff --git a/tests/munge/test_lev_align.py b/spacy/tests/munge/test_lev_align.py similarity index 100% rename from tests/munge/test_lev_align.py rename to spacy/tests/munge/test_lev_align.py diff --git a/tests/munge/test_onto_ner.py b/spacy/tests/munge/test_onto_ner.py similarity index 100% rename from tests/munge/test_onto_ner.py rename to spacy/tests/munge/test_onto_ner.py diff --git a/tests/parser/test_base_nps.py b/spacy/tests/parser/test_base_nps.py similarity index 100% rename from tests/parser/test_base_nps.py rename to spacy/tests/parser/test_base_nps.py diff --git a/tests/parser/test_conjuncts.py b/spacy/tests/parser/test_conjuncts.py similarity index 100% rename from tests/parser/test_conjuncts.py rename to spacy/tests/parser/test_conjuncts.py diff --git a/tests/parser/test_initial_actions_parse.py b/spacy/tests/parser/test_initial_actions_parse.py similarity index 100% rename from tests/parser/test_initial_actions_parse.py rename to spacy/tests/parser/test_initial_actions_parse.py diff --git a/tests/parser/test_ner.py b/spacy/tests/parser/test_ner.py similarity index 100% rename from tests/parser/test_ner.py rename to spacy/tests/parser/test_ner.py diff --git a/tests/parser/test_parse.py b/spacy/tests/parser/test_parse.py similarity index 100% rename from tests/parser/test_parse.py rename to spacy/tests/parser/test_parse.py diff --git a/tests/parser/test_parse_navigate.py b/spacy/tests/parser/test_parse_navigate.py similarity index 100% rename from tests/parser/test_parse_navigate.py rename to spacy/tests/parser/test_parse_navigate.py diff --git a/tests/parser/test_parser_pickle.py b/spacy/tests/parser/test_parser_pickle.py similarity index 100% rename from tests/parser/test_parser_pickle.py rename to spacy/tests/parser/test_parser_pickle.py diff --git a/tests/parser/test_sbd.py b/spacy/tests/parser/test_sbd.py similarity index 100% rename from tests/parser/test_sbd.py rename to spacy/tests/parser/test_sbd.py diff --git a/tests/parser/test_space_attachment.py b/spacy/tests/parser/test_space_attachment.py similarity index 100% rename from tests/parser/test_space_attachment.py rename to spacy/tests/parser/test_space_attachment.py diff --git a/tests/parser/test_subtree.py b/spacy/tests/parser/test_subtree.py similarity index 100% rename from tests/parser/test_subtree.py rename to spacy/tests/parser/test_subtree.py diff --git a/tests/prag_sbd.py b/spacy/tests/prag_sbd.py similarity index 100% rename from tests/prag_sbd.py rename to spacy/tests/prag_sbd.py diff --git a/tests/serialize/test_codecs.py b/spacy/tests/serialize/test_codecs.py similarity index 100% rename from tests/serialize/test_codecs.py rename to spacy/tests/serialize/test_codecs.py diff --git a/tests/serialize/test_huffman.py b/spacy/tests/serialize/test_huffman.py similarity index 100% rename from tests/serialize/test_huffman.py rename to spacy/tests/serialize/test_huffman.py diff --git a/tests/serialize/test_io.py b/spacy/tests/serialize/test_io.py similarity index 100% rename from tests/serialize/test_io.py rename to spacy/tests/serialize/test_io.py diff --git a/tests/serialize/test_packer.py b/spacy/tests/serialize/test_packer.py similarity index 100% rename from tests/serialize/test_packer.py rename to spacy/tests/serialize/test_packer.py diff --git a/tests/spans/conftest.py b/spacy/tests/spans/conftest.py similarity index 100% rename from tests/spans/conftest.py rename to spacy/tests/spans/conftest.py diff --git a/tests/spans/test_merge.py b/spacy/tests/spans/test_merge.py similarity index 100% rename from tests/spans/test_merge.py rename to spacy/tests/spans/test_merge.py 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spacy/tests/tagger/test_lemmatizer.py diff --git a/tests/tagger/test_morph_exceptions.py b/spacy/tests/tagger/test_morph_exceptions.py similarity index 100% rename from tests/tagger/test_morph_exceptions.py rename to spacy/tests/tagger/test_morph_exceptions.py diff --git a/tests/tagger/test_spaces.py b/spacy/tests/tagger/test_spaces.py similarity index 100% rename from tests/tagger/test_spaces.py rename to spacy/tests/tagger/test_spaces.py diff --git a/tests/tagger/test_tag_names.py b/spacy/tests/tagger/test_tag_names.py similarity index 100% rename from tests/tagger/test_tag_names.py rename to spacy/tests/tagger/test_tag_names.py diff --git a/tests/test_basic_create.py b/spacy/tests/test_basic_create.py similarity index 100% rename from tests/test_basic_create.py rename to spacy/tests/test_basic_create.py diff --git a/tests/test_basic_load.py b/spacy/tests/test_basic_load.py similarity index 100% rename from tests/test_basic_load.py rename to spacy/tests/test_basic_load.py diff --git a/tests/test_docs.py b/spacy/tests/test_docs.py similarity index 100% rename from tests/test_docs.py rename to spacy/tests/test_docs.py diff --git a/tests/test_matcher.py b/spacy/tests/test_matcher.py similarity index 100% rename from tests/test_matcher.py rename to spacy/tests/test_matcher.py diff --git a/tests/test_pickle.py b/spacy/tests/test_pickle.py similarity index 100% rename from tests/test_pickle.py rename to spacy/tests/test_pickle.py diff --git a/tests/tokenizer.sed b/spacy/tests/tokenizer.sed similarity index 100% rename from tests/tokenizer.sed rename to spacy/tests/tokenizer.sed diff --git a/tests/tokenizer/conftest.py b/spacy/tests/tokenizer/conftest.py similarity index 100% rename from tests/tokenizer/conftest.py rename to spacy/tests/tokenizer/conftest.py diff --git a/tests/tokenizer/test_contractions.py b/spacy/tests/tokenizer/test_contractions.py similarity index 100% rename from tests/tokenizer/test_contractions.py rename to 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tests/tokenizer/test_post_punct.py rename to spacy/tests/tokenizer/test_post_punct.py diff --git a/tests/tokenizer/test_pre_punct.py b/spacy/tests/tokenizer/test_pre_punct.py similarity index 100% rename from tests/tokenizer/test_pre_punct.py rename to spacy/tests/tokenizer/test_pre_punct.py diff --git a/tests/tokenizer/test_special_affix.py b/spacy/tests/tokenizer/test_special_affix.py similarity index 100% rename from tests/tokenizer/test_special_affix.py rename to spacy/tests/tokenizer/test_special_affix.py diff --git a/tests/tokenizer/test_string_loading.py b/spacy/tests/tokenizer/test_string_loading.py similarity index 100% rename from tests/tokenizer/test_string_loading.py rename to spacy/tests/tokenizer/test_string_loading.py diff --git a/tests/tokenizer/test_surround_punct.py b/spacy/tests/tokenizer/test_surround_punct.py similarity index 100% rename from tests/tokenizer/test_surround_punct.py rename to spacy/tests/tokenizer/test_surround_punct.py diff --git a/tests/tokenizer/test_tokenizer.py b/spacy/tests/tokenizer/test_tokenizer.py similarity index 100% rename from tests/tokenizer/test_tokenizer.py rename to spacy/tests/tokenizer/test_tokenizer.py diff --git a/tests/tokenizer/test_tokens_from_list.py b/spacy/tests/tokenizer/test_tokens_from_list.py similarity index 100% rename from tests/tokenizer/test_tokens_from_list.py rename to spacy/tests/tokenizer/test_tokens_from_list.py diff --git a/tests/tokenizer/test_whitespace.py b/spacy/tests/tokenizer/test_whitespace.py similarity index 100% rename from tests/tokenizer/test_whitespace.py rename to spacy/tests/tokenizer/test_whitespace.py diff --git a/tests/tokenizer/test_wiki_sun.py b/spacy/tests/tokenizer/test_wiki_sun.py similarity index 100% rename from tests/tokenizer/test_wiki_sun.py rename to spacy/tests/tokenizer/test_wiki_sun.py diff --git a/tests/tokens/test_array.py b/spacy/tests/tokens/test_array.py similarity index 100% rename from tests/tokens/test_array.py rename to spacy/tests/tokens/test_array.py diff --git a/tests/tokens/test_token.py b/spacy/tests/tokens/test_token.py similarity index 100% rename from tests/tokens/test_token.py rename to spacy/tests/tokens/test_token.py diff --git a/tests/tokens/test_token_api.py b/spacy/tests/tokens/test_token_api.py similarity index 100% rename from tests/tokens/test_token_api.py rename to spacy/tests/tokens/test_token_api.py diff --git a/tests/tokens/test_token_references.py b/spacy/tests/tokens/test_token_references.py similarity index 100% rename from tests/tokens/test_token_references.py rename to spacy/tests/tokens/test_token_references.py diff --git a/tests/tokens/test_tokens_api.py b/spacy/tests/tokens/test_tokens_api.py similarity index 100% rename from tests/tokens/test_tokens_api.py rename to spacy/tests/tokens/test_tokens_api.py diff --git a/tests/tokens/test_vec.py b/spacy/tests/tokens/test_vec.py similarity index 100% rename from tests/tokens/test_vec.py rename to spacy/tests/tokens/test_vec.py diff --git a/tests/vectors/test_vectors.py b/spacy/tests/vectors/test_vectors.py similarity index 100% rename from tests/vectors/test_vectors.py rename to spacy/tests/vectors/test_vectors.py diff --git a/tests/vocab/conftest.py b/spacy/tests/vocab/conftest.py similarity index 100% rename from tests/vocab/conftest.py rename to spacy/tests/vocab/conftest.py diff --git a/tests/vocab/test_asciify.py b/spacy/tests/vocab/test_asciify.py similarity index 100% rename from tests/vocab/test_asciify.py rename to spacy/tests/vocab/test_asciify.py diff --git a/tests/vocab/test_flag_features.py b/spacy/tests/vocab/test_flag_features.py similarity index 100% rename from tests/vocab/test_flag_features.py rename to spacy/tests/vocab/test_flag_features.py diff --git a/tests/vocab/test_intern.py b/spacy/tests/vocab/test_intern.py similarity index 100% rename from tests/vocab/test_intern.py rename to spacy/tests/vocab/test_intern.py diff --git a/tests/vocab/test_is_punct.py 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