Appease black

merkle_tree_stream/__init__.py

@@ -10,6 +10,6 @@ except ImportError:
 
 
 try:
-    __version__ = pkg_resources.get_distribution('merkle_tree_stream').version
+    __version__ = pkg_resources.get_distribution("merkle_tree_stream").version
 except Exception:
-    __version__ = 'unknown'
+    __version__ = "unknown"

merkle_tree_stream/node.py

@@ -5,7 +5,7 @@ from typing import Any, Optional
 import attr
 from flat_tree import FlatTreeAccessor
 
-__all__ = ['MerkleTreeNode']
+__all__ = ["MerkleTreeNode"]
 
 
 @attr.s(auto_attribs=True)

merkle_tree_stream/tree.py

@@ -7,10 +7,10 @@ from flat_tree import FlatTreeAccessor
 
 from merkle_tree_stream.node import MerkleTreeNode
 
-EMPTY_DATA = b''
+EMPTY_DATA = b""
 EMPTY_HASH = None
 
-__all__ = ['MerkleTreeGenerator']
+__all__ = ["MerkleTreeGenerator"]
 
 flat_tree = FlatTreeAccessor()
 

test/test_tree.py

@@ -10,25 +10,25 @@ from merkle_tree_stream import MerkleTreeGenerator, MerkleTreeNode
 def test_hashes(leaf, parent):
     merkle = MerkleTreeGenerator(leaf=leaf, parent=parent)
 
-    merkle.write(b'a')
+    merkle.write(b"a")
-    merkle.write(b'b')
+    merkle.write(b"b")
 
     expected_count = 2 + 1  # nodes plus parent
     assert len(merkle) == expected_count
 
     assert next(merkle) == MerkleTreeNode(
-        index=0, parent=1, hash=hashlib.sha256(b'a').digest(), size=1, data=b'a'
+        index=0, parent=1, hash=hashlib.sha256(b"a").digest(), size=1, data=b"a"
     )
 
     assert next(merkle) == MerkleTreeNode(
-        index=2, parent=1, hash=hashlib.sha256(b'b').digest(), size=1, data=b'b'
+        index=2, parent=1, hash=hashlib.sha256(b"b").digest(), size=1, data=b"b"
     )
 
-    hashed = hashlib.sha256(b'a')
+    hashed = hashlib.sha256(b"a")
-    hashed.update(b'b')
+    hashed.update(b"b")
 
     assert next(merkle) == MerkleTreeNode(
-        index=1, parent=3, hash=hashed.digest(), size=2, data=b''
+        index=1, parent=3, hash=hashed.digest(), size=2, data=b""
     )
 
     with pytest.raises(StopIteration):
@@ -38,10 +38,10 @@ def test_hashes(leaf, parent):
 def test_single_root(leaf, parent):
     merkle = MerkleTreeGenerator(leaf=leaf, parent=parent)
 
-    merkle.write(b'a')
+    merkle.write(b"a")
-    merkle.write(b'b')
+    merkle.write(b"b")
-    merkle.write(b'c')
+    merkle.write(b"c")
-    merkle.write(b'd')
+    merkle.write(b"d")
 
     assert len(merkle.roots) == 1
 
@@ -49,8 +49,8 @@ def test_single_root(leaf, parent):
 def multiple_roots(leaf, parent):
     merkle = MerkleTreeGenerator(leaf=leaf, parent=parent)
 
-    merkle.write(b'a')
+    merkle.write(b"a")
-    merkle.write(b'b')
+    merkle.write(b"b")
-    merkle.write(b'c')
+    merkle.write(b"c")
 
     assert len(merkle.roots) > 1

test/test_version.py

@@ -2,9 +2,9 @@
 
 
 def test_version_fails_gracefully(mocker):
-    target = 'pkg_resources.get_distribution'
+    target = "pkg_resources.get_distribution"
     mocker.patch(target, side_effect=Exception())
 
     from merkle_tree_stream.__init__ import __version__
 
-    assert __version__ == 'unknown'
+    assert __version__ == "unknown"