/home/micha/astral/test/test-notebook.ipynb:cell 1:2:8: F401 [*] `math` imported but unused
/home/micha/astral/test/test-notebook.ipynb:cell 5:1:8: F811 Redefinition of unused `random` from line 1
/home/micha/astral/test/test-notebook.ipynb:cell 5:2:8: F401 [*] `pprint` imported but unused
/home/micha/astral/test/test-notebook.ipynb:cell 7:2:4: F632 [*] Use `==` to compare constant literals
/home/micha/astral/test/test-notebook.ipynb:cell 7:3:38: F632 [*] Use `==` to compare constant literals
Found 5 errors.
[*] 4 potentially fixable with the --fix option.

--- /home/micha/astral/test/test-notebook.ipynb:cell 0
+++ /home/micha/astral/test/test-notebook.ipynb:cell 0
@@ -1,2 +1 @@
-import random
-import math
+import random
--- /home/micha/astral/test/test-notebook.ipynb:cell 4
+++ /home/micha/astral/test/test-notebook.ipynb:cell 4
@@ -1,4 +1,3 @@
 import random
-import pprint
 
 random.randint(10, 20)
--- /home/micha/astral/test/test-notebook.ipynb:cell 6
+++ /home/micha/astral/test/test-notebook.ipynb:cell 6
@@ -1,3 +1,3 @@
 foo = 1
-if foo is 2:
-    raise ValueError(f"Invalid foo: {foo is 1}")
+if foo == 2:
+    raise ValueError(f"Invalid foo: {foo == 1}")

Would fix 4 errors.