diff --git a/projects/cram/src/python/cram/__main__.py b/projects/cram/src/python/cram/__main__.py
index 4bf8085..9d33b11 100644
--- a/projects/cram/src/python/cram/__main__.py
+++ b/projects/cram/src/python/cram/__main__.py
@@ -17,10 +17,9 @@ from . import (
 from .v0 import PackageV0, ProfileV0
 from .v1 import PackageV1, ProfileV1
 
-from vfs import Vfs
-
 import click
 from toposort import toposort_flatten
+from vfs import Vfs
 
 
 log = logging.getLogger(__name__)
diff --git a/projects/cram/src/python/cram/v1.py b/projects/cram/src/python/cram/v1.py
index 2118f44..76c6ff1 100644
--- a/projects/cram/src/python/cram/v1.py
+++ b/projects/cram/src/python/cram/v1.py
@@ -11,9 +11,8 @@ from typing import List, Optional, Union
 
 from .common import Package, sh, stow
 
-from vfs import Vfs
-
 import toml
+from vfs import Vfs
 
 
 def tempf(name):
diff --git a/projects/shoggoth/src/python/ichor/__init__.py b/projects/shoggoth/src/python/ichor/__init__.py
index c30965d..375fa7c 100644
--- a/projects/shoggoth/src/python/ichor/__init__.py
+++ b/projects/shoggoth/src/python/ichor/__init__.py
@@ -10,4 +10,3 @@ from ichor.bootstrap import *  # noqa
 from ichor.impl import *  # noqa
 from ichor.isa import *  # noqa
 from ichor.typing import *  # noqa
-from ichor.assembler import *
diff --git a/projects/shoggoth/src/python/ichor/__main__.py b/projects/shoggoth/src/python/ichor/__main__.py
index f4bc616..f74cd07 100644
--- a/projects/shoggoth/src/python/ichor/__main__.py
+++ b/projects/shoggoth/src/python/ichor/__main__.py
@@ -4,7 +4,13 @@
 ichor entrypoint
 """
 
-from . import Opcode, Interpreter, BOOTSTRAP, XOR3, NOT1, TRUE, FALSE
+from . import (
+    BOOTSTRAP,
+    Interpreter,
+    NOT1,
+    Opcode,
+    TRUE,
+)
 
 
 def main():
diff --git a/projects/shoggoth/src/python/ichor/assembler.py b/projects/shoggoth/src/python/ichor/assembler.py
index 6b487e9..0088003 100644
--- a/projects/shoggoth/src/python/ichor/assembler.py
+++ b/projects/shoggoth/src/python/ichor/assembler.py
@@ -1,15 +1,14 @@
 #!/usr/bin/env python3
 
-from dataclasses import dataclass
 from random import choices
 from string import ascii_lowercase, digits
-from typing import Generator, List, Union, Optional, Sequence
+from typing import List, Optional, Sequence, Union
 
 from ichor import isa
 
 
 def gensym(prefix = None) -> isa.Label:
-    frag = ''.join(choices(ascii_lowercase + digits, k=8))
+    frag = "".join(choices(ascii_lowercase + digits, k=8))
     return isa.Label(f"{prefix or 'gensym'}_{frag}")
 
 
diff --git a/projects/shoggoth/src/python/ichor/bootstrap.py b/projects/shoggoth/src/python/ichor/bootstrap.py
index 7fc2682..494eaff 100644
--- a/projects/shoggoth/src/python/ichor/bootstrap.py
+++ b/projects/shoggoth/src/python/ichor/bootstrap.py
@@ -6,7 +6,6 @@ Hopefully no "real" interpreter ever uses this code, since it's obviously replac
 
 from ichor import isa
 from ichor.state import Module, Variant
-from ichor.assembler import FuncBuilder
 
 
 BOOTSTRAP = Module()
@@ -15,8 +14,8 @@ BOOL = BOOTSTRAP.define_type(
     ";bool;true(),false()",
 )
 
-TRUE = Variant(BOOL, 'true', ())
-FALSE = Variant(BOOL, 'false', ())
+TRUE = Variant(BOOL, "true", ())
+FALSE = Variant(BOOL, "false", ())
 
 NOT1 = BOOTSTRAP.define_function(
     f";not;{BOOL};{BOOL}",
diff --git a/projects/shoggoth/src/python/ichor/impl.py b/projects/shoggoth/src/python/ichor/impl.py
index e5d5030..0b4f930 100644
--- a/projects/shoggoth/src/python/ichor/impl.py
+++ b/projects/shoggoth/src/python/ichor/impl.py
@@ -10,11 +10,19 @@ context (a virtual machine) which DOES have an easily introspected and serialize
 
 
 from copy import deepcopy
-import typing as t
 from textwrap import indent
 
 from ichor import isa
-from ichor.state import Closure, FunctionRef, Identifier, Module, Function, Type, TypeRef, VariantRef, Variant, Stackframe
+from ichor.state import (
+    Closure,
+    FunctionRef,
+    Identifier,
+    Module,
+    Stackframe,
+    TypeRef,
+    Variant,
+    VariantRef,
+)
 
 
 class InterpreterError(Exception):
diff --git a/projects/shoggoth/src/python/ichor/isa.py b/projects/shoggoth/src/python/ichor/isa.py
index 0c6d839..f030741 100644
--- a/projects/shoggoth/src/python/ichor/isa.py
+++ b/projects/shoggoth/src/python/ichor/isa.py
@@ -2,7 +2,6 @@
 
 from abc import ABC
 from dataclasses import dataclass
-import typing as t
 
 
 @dataclass
@@ -239,4 +238,3 @@ class VLOAD(Opcode):
 @dataclass
 class BREAK(Opcode):
     """Abort the interpreter."""
-    pass
diff --git a/projects/shoggoth/src/python/ichor/state.py b/projects/shoggoth/src/python/ichor/state.py
index 623cce3..54985bd 100644
--- a/projects/shoggoth/src/python/ichor/state.py
+++ b/projects/shoggoth/src/python/ichor/state.py
@@ -5,9 +5,7 @@
 import typing as t
 
 from ichor import isa
-
-from pyrsistent import pdeque, PDeque
-from lark import Lark, Transformer, v_args, Token
+from lark import Lark, Token, Transformer, v_args
 
 
 class Identifier(t.NamedTuple):
@@ -62,7 +60,7 @@ class FuncT(Transformer):
         return name
 
 
-FUNC = Lark(GRAMMAR, start="fun", parser='lalr', transformer=FuncT())
+FUNC = Lark(GRAMMAR, start="fun", parser="lalr", transformer=FuncT())
 
 
 class FunctionRef(t.NamedTuple):
@@ -120,7 +118,7 @@ class TypeT(FuncT):
 
 
 
-TYPE = Lark(GRAMMAR, start="var", parser='lalr', transformer=TypeT())
+TYPE = Lark(GRAMMAR, start="var", parser="lalr", transformer=TypeT())
 
 
 class TypeRef(t.NamedTuple):
diff --git a/projects/shoggoth/src/python/shoggoth/analyzer.py b/projects/shoggoth/src/python/shoggoth/analyzer.py
index efd7538..c611ee3 100644
--- a/projects/shoggoth/src/python/shoggoth/analyzer.py
+++ b/projects/shoggoth/src/python/shoggoth/analyzer.py
@@ -6,12 +6,7 @@ from abc import ABC
 from dataclasses import dataclass
 import typing as t
 
-from shoggoth.types import (
-    Keyword,
-    List,
-    Symbol,
-    Vec,
-)
+from shoggoth.types import Keyword, List, Symbol
 
 
 @dataclass
diff --git a/projects/shoggoth/test/python/ichor/fixtures.py b/projects/shoggoth/test/python/ichor/fixtures.py
index 1f973b4..c768183 100644
--- a/projects/shoggoth/test/python/ichor/fixtures.py
+++ b/projects/shoggoth/test/python/ichor/fixtures.py
@@ -1,7 +1,6 @@
 #!/usr/bin/env python3
 
-from ichor import Interpreter, BOOTSTRAP
-
+from ichor import BOOTSTRAP, Interpreter
 import pytest
 
 
diff --git a/projects/shoggoth/test/python/ichor/test_assembler.py b/projects/shoggoth/test/python/ichor/test_assembler.py
index 0ec2ee2..63a7eb0 100644
--- a/projects/shoggoth/test/python/ichor/test_assembler.py
+++ b/projects/shoggoth/test/python/ichor/test_assembler.py
@@ -1,9 +1,9 @@
 #!/usr/bin/env python3
 
 from ichor import FuncBuilder, isa
-
 import pytest
 
+
 @pytest.fixture
 def builder() -> FuncBuilder:
     return FuncBuilder()
diff --git a/projects/shoggoth/test/python/ichor/test_bootstrap.py b/projects/shoggoth/test/python/ichor/test_bootstrap.py
index 2e338e6..a805e03 100644
--- a/projects/shoggoth/test/python/ichor/test_bootstrap.py
+++ b/projects/shoggoth/test/python/ichor/test_bootstrap.py
@@ -2,7 +2,7 @@
 
 from .fixtures import *  # noqa
 
-from ichor import isa, TRUE, FALSE, NOT1
+from ichor import FALSE, isa, NOT1, TRUE
 import pytest
 
 
diff --git a/projects/shoggoth/test/python/ichor/test_interpreter.py b/projects/shoggoth/test/python/ichor/test_interpreter.py
index 4992355..f5edffd 100644
--- a/projects/shoggoth/test/python/ichor/test_interpreter.py
+++ b/projects/shoggoth/test/python/ichor/test_interpreter.py
@@ -4,7 +4,12 @@ Tests coverign the VM interpreter
 
 from .fixtures import *  # noqa
 
-from ichor import isa, InterpreterError, TRUE, FALSE
+from ichor import (
+    FALSE,
+    InterpreterError,
+    isa,
+    TRUE,
+)
 import pytest
 
 
diff --git a/projects/shoggoth/test/python/ichor/test_parsers.py b/projects/shoggoth/test/python/ichor/test_parsers.py
index 40ac275..cf70f3a 100644
--- a/projects/shoggoth/test/python/ichor/test_parsers.py
+++ b/projects/shoggoth/test/python/ichor/test_parsers.py
@@ -1,11 +1,10 @@
 #!/usr/bin/env python3
 
 from ichor.state import FUNC, TYPE
-
 import pytest
 
 
-@pytest.mark.parametrize('sig,parse', [
+@pytest.mark.parametrize("sig,parse", [
     (";not;bool;bool", ((), "not", ("bool",), ("bool",))),
     (";and;bool,bool;bool", ((), "and", ("bool", "bool"), ("bool",))),
     (";or;bool,bool,bool;bool", ((), "or", ("bool", "bool", "bool"), ("bool",))),
@@ -14,7 +13,7 @@ def test_func_parses(sig, parse):
     assert FUNC.parse(sig) == parse
 
 
-@pytest.mark.parametrize('sig,parse', [
+@pytest.mark.parametrize("sig,parse", [
     (";bool;true(),false()", ((), "bool", (("true", ()), ("false", ())))),
     ("A,B;pair;pair(a:A,b:B)", (("A", "B"), "pair", (("pair", (("a", "A"), ("b", "B"))),))),
 ])
diff --git a/projects/shoggoth/test/python/ichor/test_state.py b/projects/shoggoth/test/python/ichor/test_state.py
index 6645618..7ea65f9 100644
--- a/projects/shoggoth/test/python/ichor/test_state.py
+++ b/projects/shoggoth/test/python/ichor/test_state.py
@@ -3,8 +3,6 @@
 """Tests covering the Ichor ISA and state model."""
 
 from ichor.impl import Stackframe
-from ichor.state import *
-
 import pytest