diff --git a/spacy/_ml.py b/spacy/_ml.py
index 422bbe66a..68dedc0b3 100644
--- a/spacy/_ml.py
+++ b/spacy/_ml.py
@@ -465,17 +465,16 @@ def getitem(i):
 
 
 @describe.attributes(
-    W=Synapses("Weights matrix",
-        lambda obj: (obj.nO, obj.nI),
-        lambda W, ops: None)
+    W=Synapses("Weights matrix", lambda obj: (obj.nO, obj.nI), lambda W, ops: None)
 )
 class MultiSoftmax(Affine):
-    '''Neural network layer that predicts several multi-class attributes at once.
+    """Neural network layer that predicts several multi-class attributes at once.
     For instance, we might predict one class with 6 variables, and another with 5.
     We predict the 11 neurons required for this, and then softmax them such
     that columns 0-6 make a probability distribution and coumns 6-11 make another.
-    '''
-    name = 'multisoftmax'
+    """
+
+    name = "multisoftmax"
 
     def __init__(self, out_sizes, nI=None, **kwargs):
         Model.__init__(self, **kwargs)
@@ -487,12 +486,13 @@ class MultiSoftmax(Affine):
         output__BO = self.ops.affine(self.W, self.b, input__BI)
         i = 0
         for out_size in self.out_sizes:
-            self.ops.softmax(output__BO[:, i : i+out_size], inplace=True)
+            self.ops.softmax(output__BO[:, i : i + out_size], inplace=True)
             i += out_size
         return output__BO
 
-    def begin_update(self, input__BI, drop=0.):
+    def begin_update(self, input__BI, drop=0.0):
         output__BO = self.predict(input__BI)
+
         def finish_update(grad__BO, sgd=None):
             self.d_W += self.ops.gemm(grad__BO, input__BI, trans1=True)
             self.d_b += grad__BO.sum(axis=0)
@@ -500,6 +500,7 @@ class MultiSoftmax(Affine):
             if sgd is not None:
                 sgd(self._mem.weights, self._mem.gradient, key=self.id)
             return grad__BI
+
         return output__BO, finish_update
 
 
@@ -515,41 +516,41 @@ def build_tagger_model(nr_class, **cfg):
         if "tok2vec" in cfg:
             tok2vec = cfg["tok2vec"]
         else:
-            tok2vec = Tok2Vec(token_vector_width, embed_size,
-                              subword_features=subword_features,
-                              pretrained_vectors=pretrained_vectors)
-        softmax = with_flatten(
-            Softmax(nr_class, token_vector_width))
-        model = (
-            tok2vec
-            >> softmax
-        )
+            tok2vec = Tok2Vec(
+                token_vector_width,
+                embed_size,
+                subword_features=subword_features,
+                pretrained_vectors=pretrained_vectors,
+            )
+        softmax = with_flatten(Softmax(nr_class, token_vector_width))
+        model = tok2vec >> softmax
     model.nI = None
     model.tok2vec = tok2vec
     model.softmax = softmax
     return model
 
+
 def build_morphologizer_model(class_nums, **cfg):
-    embed_size = util.env_opt('embed_size', 7000)
-    if 'token_vector_width' in cfg:
-        token_vector_width = cfg['token_vector_width']
+    embed_size = util.env_opt("embed_size", 7000)
+    if "token_vector_width" in cfg:
+        token_vector_width = cfg["token_vector_width"]
     else:
-        token_vector_width = util.env_opt('token_vector_width', 128)
-    pretrained_vectors = cfg.get('pretrained_vectors')
-    subword_features = cfg.get('subword_features', True)
-    with Model.define_operators({'>>': chain, '+': add}):
-        if 'tok2vec' in cfg:
-            tok2vec = cfg['tok2vec']
+        token_vector_width = util.env_opt("token_vector_width", 128)
+    pretrained_vectors = cfg.get("pretrained_vectors")
+    subword_features = cfg.get("subword_features", True)
+    with Model.define_operators({">>": chain, "+": add}):
+        if "tok2vec" in cfg:
+            tok2vec = cfg["tok2vec"]
         else:
-            tok2vec = Tok2Vec(token_vector_width, embed_size,
-                              subword_features=subword_features,
-                              pretrained_vectors=pretrained_vectors)
+            tok2vec = Tok2Vec(
+                token_vector_width,
+                embed_size,
+                subword_features=subword_features,
+                pretrained_vectors=pretrained_vectors,
+            )
         softmax = with_flatten(MultiSoftmax(class_nums, token_vector_width))
         softmax.out_sizes = class_nums
-        model = (
-            tok2vec
-            >> softmax
-        )
+        model = tok2vec >> softmax
     model.nI = None
     model.tok2vec = tok2vec
     model.softmax = softmax
@@ -630,17 +631,13 @@ def build_text_classifier(nr_class, width=64, **cfg):
         )
 
         linear_model = _preprocess_doc >> LinearModel(nr_class)
-        if cfg.get('exclusive_classes'):
+        if cfg.get("exclusive_classes"):
             output_layer = Softmax(nr_class, nr_class * 2)
         else:
             output_layer = (
-                zero_init(Affine(nr_class, nr_class * 2, drop_factor=0.0))
-                >> logistic
+                zero_init(Affine(nr_class, nr_class * 2, drop_factor=0.0)) >> logistic
             )
-        model = (
-            (linear_model | cnn_model)
-            >> output_layer
-        )
+        model = (linear_model | cnn_model) >> output_layer
         model.tok2vec = chain(tok2vec, flatten)
     model.nO = nr_class
     model.lsuv = False
@@ -658,7 +655,9 @@ def build_simple_cnn_text_classifier(tok2vec, nr_class, exclusive_classes=False,
         if exclusive_classes:
             output_layer = Softmax(nr_class, tok2vec.nO)
         else:
-            output_layer = zero_init(Affine(nr_class, tok2vec.nO, drop_factor=0.0)) >> logistic
+            output_layer = (
+                zero_init(Affine(nr_class, tok2vec.nO, drop_factor=0.0)) >> logistic
+            )
         model = tok2vec >> flatten_add_lengths >> Pooling(mean_pool) >> output_layer
     model.tok2vec = chain(tok2vec, flatten)
     model.nO = nr_class
diff --git a/spacy/errors.py b/spacy/errors.py
index 13382d146..f9dd8535e 100644
--- a/spacy/errors.py
+++ b/spacy/errors.py
@@ -350,7 +350,6 @@ class Errors(object):
             "is likely a bug in spaCy.")
 
 
-
 @add_codes
 class TempErrors(object):
     T003 = ("Resizing pre-trained Tagger models is not currently supported.")
diff --git a/spacy/pipeline/__init__.py b/spacy/pipeline/__init__.py
index 2a8acbde5..686743a6a 100644
--- a/spacy/pipeline/__init__.py
+++ b/spacy/pipeline/__init__.py
@@ -14,6 +14,7 @@ __all__ = [
     "TextCategorizer",
     "Tensorizer",
     "Pipe",
+    "Morphologizer",
     "EntityRuler",
     "SentenceSegmenter",
     "SimilarityHook",
diff --git a/spacy/tests/doc/test_morphanalysis.py b/spacy/tests/doc/test_morphanalysis.py
index ffee5694a..5d570af53 100644
--- a/spacy/tests/doc/test_morphanalysis.py
+++ b/spacy/tests/doc/test_morphanalysis.py
@@ -2,11 +2,7 @@
 from __future__ import unicode_literals
 
 import pytest
-import numpy
-from spacy.attrs import IS_ALPHA, IS_DIGIT, IS_LOWER, IS_PUNCT, IS_TITLE, IS_STOP
-from spacy.symbols import VERB
-from spacy.vocab import Vocab
-from spacy.tokens import Doc
+
 
 @pytest.fixture
 def i_has(en_tokenizer):
@@ -15,11 +11,13 @@ def i_has(en_tokenizer):
     doc[1].tag_ = "VBZ"
     return doc
 
+
 def test_token_morph_id(i_has):
     assert i_has[0].morph.id
     assert i_has[1].morph.id != 0
     assert i_has[0].morph.id != i_has[1].morph.id
 
+
 def test_morph_props(i_has):
     assert i_has[0].morph.pron_type == i_has.vocab.strings["PronType_prs"]
     assert i_has[0].morph.pron_type_ == "PronType_prs"
diff --git a/spacy/tests/morphology/test_morph_features.py b/spacy/tests/morphology/test_morph_features.py
index dcb0b32ff..4b8f0d754 100644
--- a/spacy/tests/morphology/test_morph_features.py
+++ b/spacy/tests/morphology/test_morph_features.py
@@ -1,41 +1,48 @@
+# coding: utf-8
 from __future__ import unicode_literals
-import pytest
 
-from ...morphology import Morphology
-from ...strings import StringStore, get_string_id
-from ...lemmatizer import Lemmatizer
-from ...morphology import *
+import pytest
+from spacy.morphology import Morphology
+from spacy.strings import StringStore, get_string_id
+from spacy.lemmatizer import Lemmatizer
+
 
 @pytest.fixture
 def morphology():
     return Morphology(StringStore(), {}, Lemmatizer())
 
+
 def test_init(morphology):
     pass
 
+
 def test_add_morphology_with_string_names(morphology):
     morphology.add({"Case_gen", "Number_sing"})
 
+
 def test_add_morphology_with_int_ids(morphology):
     morphology.add({get_string_id("Case_gen"), get_string_id("Number_sing")})
 
+
 def test_add_morphology_with_mix_strings_and_ints(morphology):
-    morphology.add({get_string_id("PunctSide_ini"), 'VerbType_aux'})
+    morphology.add({get_string_id("PunctSide_ini"), "VerbType_aux"})
 
 
 def test_morphology_tags_hash_distinctly(morphology):
-    tag1 = morphology.add({"PunctSide_ini", 'VerbType_aux'})
-    tag2 = morphology.add({"Case_gen", 'Number_sing'})
+    tag1 = morphology.add({"PunctSide_ini", "VerbType_aux"})
+    tag2 = morphology.add({"Case_gen", "Number_sing"})
     assert tag1 != tag2
 
+
 def test_morphology_tags_hash_independent_of_order(morphology):
-    tag1 = morphology.add({"Case_gen", 'Number_sing'})
-    tag2 = morphology.add({"Number_sing", "Case_gen"}) 
+    tag1 = morphology.add({"Case_gen", "Number_sing"})
+    tag2 = morphology.add({"Number_sing", "Case_gen"})
     assert tag1 == tag2
 
+
 def test_update_morphology_tag(morphology):
     tag1 = morphology.add({"Case_gen"})
     tag2 = morphology.update(tag1, {"Number_sing"})
     assert tag1 != tag2
-    tag3 = morphology.add({"Number_sing", "Case_gen"}) 
+    tag3 = morphology.add({"Number_sing", "Case_gen"})
     assert tag2 == tag3