error[E0277]: the trait bound `dyn for<'a> Fn(&'a revm::revm_primitives::Env) -> std::result::Result<u64, EVMError<std::string::String>>: Ungil` is not satisfied in `{closure@src/dummy.rs:14:22: 14:29}`
    --> src/dummy.rs:14:22
     |
14   |       py.allow_threads(move || {
     |          ------------- ^------
     |          |             |
     |  ________|_____________within this `{closure@src/dummy.rs:14:22: 14:29}`
     | |        |
     | |        required by a bound introduced by this call
15   | |         evm.transact()
16   | |     });
     | |_____^ within `{closure@src/dummy.rs:14:22: 14:29}`, the trait `Ungil` is not implemented for `dyn for<'a> Fn(&'a revm::revm_primitives::Env) -> std::result::Result<u64, EVMError<std::string::String>>`, which is required by `{closure@src/dummy.rs:14:22: 14:29}: Ungil`
     |
note: required because it appears within the type `alloc::sync::ArcInner<dyn for<'a> Fn(&'a revm::revm_primitives::Env) -> std::result::Result<u64, EVMError<std::string::String>>>`
    --> /Users/michal/.rustup/toolchains/nightly-aarch64-apple-darwin/lib/rustlib/src/rust/library/alloc/src/sync.rs:348:8
     |
348  | struct ArcInner<T: ?Sized> {
     |        ^^^^^^^^
note: required because it appears within the type `PhantomData<ArcInner<dyn Fn(&Env) -> Result<u64, EVMError<String>>>>`
    --> /Users/michal/.rustup/toolchains/nightly-aarch64-apple-darwin/lib/rustlib/src/rust/library/core/src/marker.rs:741:12
     |
741  | pub struct PhantomData<T: ?Sized>;
     |            ^^^^^^^^^^^
note: required because it appears within the type `Arc<dyn for<'a> Fn(&'a revm::revm_primitives::Env) -> std::result::Result<u64, EVMError<std::string::String>>>`
    --> /Users/michal/.rustup/toolchains/nightly-aarch64-apple-darwin/lib/rustlib/src/rust/library/alloc/src/sync.rs:240:12
     |
240  | pub struct Arc<
     |            ^^^
note: required because it appears within the type `ValidationHandler<'_, (), DB>`
    --> /Users/michal/.cargo/registry/src/index.crates.io-6f17d22bba15001f/revm-12.1.0/src/handler/handle_types/validation.rs:22:12
     |
22   | pub struct ValidationHandler<'a, EXT, DB: Database> {
     |            ^^^^^^^^^^^^^^^^^
note: required because it appears within the type `Handler<'_, revm::Context<(), DB>, (), DB>`
    --> /Users/michal/.cargo/registry/src/index.crates.io-6f17d22bba15001f/revm-12.1.0/src/handler.rs:24:12
     |
24   | pub struct Handler<'a, H: Host + 'a, EXT, DB: Database> {
     |            ^^^^^^^
note: required because it appears within the type `Evm<'_, (), DB>`
    --> /Users/michal/.cargo/registry/src/index.crates.io-6f17d22bba15001f/revm-12.1.0/src/evm.rs:22:12
     |
22   | pub struct Evm<'a, EXT, DB: Database> {
     |            ^^^
note: required because it appears within the type `UnsafeCell<Evm<'_, (), DB>>`
    --> /Users/michal/.rustup/toolchains/nightly-aarch64-apple-darwin/lib/rustlib/src/rust/library/core/src/cell.rs:2058:12
     |
2058 | pub struct UnsafeCell<T: ?Sized> {
     |            ^^^^^^^^^^
note: required because it appears within the type `std::sync::Mutex<Evm<'_, (), DB>>`
    --> /Users/michal/.rustup/toolchains/nightly-aarch64-apple-darwin/lib/rustlib/src/rust/library/std/src/sync/mutex.rs:178:12
     |
178  | pub struct Mutex<T: ?Sized> {
     |            ^^^^^
     = note: required because it appears within the type `&std::sync::Mutex<Evm<'_, (), DB>>`
note: required because it appears within the type `std::sync::MutexGuard<'_, Evm<'_, (), DB>>`
    --> /Users/michal/.rustup/toolchains/nightly-aarch64-apple-darwin/lib/rustlib/src/rust/library/std/src/sync/mutex.rs:209:12
     |
209  | pub struct MutexGuard<'a, T: ?Sized + 'a> {
     |            ^^^^^^^^^^
note: required because it's used within this closure
    --> src/dummy.rs:14:22
     |
14   |     py.allow_threads(move || {
     |                      ^^^^^^^
note: required by a bound in `pyo3::Python::<'py>::allow_threads`
    --> /Users/michal/.cargo/registry/src/index.crates.io-6f17d22bba15001f/pyo3-0.21.2/src/marker.rs:544:12
     |
542  |     pub fn allow_threads<T, F>(self, f: F) -> T
     |            ------------- required by a bound in this associated function
543  |     where
544  |         F: Ungil + FnOnce() -> T,
     |            ^^^^^ required by this bound in `Python::<'py>::allow_threads`
     = note: the full name for the type has been written to '/Users/michal/git/wake-rust/target/debug/deps/wakers-041ff76975a61328.long-type-11614340160126360247.txt'
     = note: consider using `--verbose` to print the full type name to the console
help: use parentheses to call this trait object
     |
16   |     }(/* &revm::revm_primitives::Env */));
     |      +++++++++++++++++++++++++++++++++++