diff --git a/python/deltalake/writer.py b/python/deltalake/writer.py
index 466010ed7f..f2754a760d 100644
--- a/python/deltalake/writer.py
+++ b/python/deltalake/writer.py
@@ -162,14 +162,13 @@ def write_deltalake(
     if filesystem is not None:
         raise NotImplementedError("Filesystem support is not yet implemented.  #570")
 
-    __enforce_append_only(table=table, configuration=configuration, mode=mode)
+    if table is not None:
+        storage_options = table._storage_options or {}
+        storage_options.update(storage_options or {})
 
-    if filesystem is None:
-        if table is not None:
-            storage_options = table._storage_options or {}
-            storage_options.update(storage_options or {})
+    filesystem = pa_fs.PyFileSystem(DeltaStorageHandler(table_uri, storage_options))
 
-        filesystem = pa_fs.PyFileSystem(DeltaStorageHandler(table_uri, storage_options))
+    __enforce_append_only(table=table, configuration=configuration, mode=mode)
 
     if isinstance(partition_by, str):
         partition_by = [partition_by]
@@ -219,8 +218,10 @@ def visitor(written_file: Any) -> None:
         # PyArrow added support for written_file.size in 9.0.0
         if PYARROW_MAJOR_VERSION >= 9:
             size = written_file.size
-        else:
+        elif filesystem is not None:
             size = filesystem.get_file_info([path])[0].size
+        else:
+            size = 0
 
         add_actions.append(
             AddAction(
diff --git a/python/pyproject.toml b/python/pyproject.toml
index 7751407f49..e163544fc1 100644
--- a/python/pyproject.toml
+++ b/python/pyproject.toml
@@ -14,7 +14,7 @@ classifiers = [
     "Programming Language :: Python :: 3 :: Only"
 ]
 dependencies = [
-    "pyarrow>=8",
+    "pyarrow>=8,<=12",
     'typing-extensions;python_version<"3.8"',
 ]
 
diff --git a/python/src/lib.rs b/python/src/lib.rs
index d8f2f92b83..3bf2625d6a 100644
--- a/python/src/lib.rs
+++ b/python/src/lib.rs
@@ -464,7 +464,7 @@ impl RawDeltaTable {
             .into_iter()
             .map(|part| PyFrozenSet::new(py, part.iter()))
             .collect::<Result<_, PyErr>>()?;
-        PyFrozenSet::new(py, active_partitions.into_iter())
+        PyFrozenSet::new(py, active_partitions)
     }
 
     fn create_write_transaction(
diff --git a/python/tests/conftest.py b/python/tests/conftest.py
index 2b9e349b36..64465ce156 100644
--- a/python/tests/conftest.py
+++ b/python/tests/conftest.py
@@ -1,6 +1,7 @@
 import os
 import pathlib
 import subprocess
+import time
 from datetime import date, datetime, timedelta
 from decimal import Decimal
 from time import sleep
@@ -11,11 +12,15 @@
 from deltalake import DeltaTable, write_deltalake
 
 
-def wait_till_host_is_available(host: str, timeout_sec: int = 30):
+def wait_till_host_is_available(host: str, timeout_sec: int = 0.5):
     spacing = 2
+    start = time.monotonic()
     while True:
+        if time.monotonic() - start > timeout_sec:
+            raise TimeoutError(f"Host {host} is not available after {timeout_sec} sec")
+
         try:
-            subprocess.run(["curl", host], timeout=500, check=True)
+            subprocess.run(["curl", host], timeout=timeout_sec * 1000, check=True)
         except Exception:
             pass
         else:
diff --git a/rust/src/action/checkpoints.rs b/rust/src/action/checkpoints.rs
index f3a280ad3b..61b4941ffc 100644
--- a/rust/src/action/checkpoints.rs
+++ b/rust/src/action/checkpoints.rs
@@ -180,7 +180,7 @@ pub async fn cleanup_expired_logs_for(
 ) -> Result<i32, ProtocolError> {
     lazy_static! {
         static ref DELTA_LOG_REGEX: Regex =
-            Regex::new(r#"_delta_log/(\d{20})\.(json|checkpoint).*$"#).unwrap();
+            Regex::new(r"_delta_log/(\d{20})\.(json|checkpoint).*$").unwrap();
     }
 
     let mut deleted_log_num = 0;
diff --git a/rust/src/action/mod.rs b/rust/src/action/mod.rs
index 38d338a622..60d0208c4b 100644
--- a/rust/src/action/mod.rs
+++ b/rust/src/action/mod.rs
@@ -881,9 +881,9 @@ pub(crate) async fn find_latest_check_point_for_version(
 ) -> Result<Option<CheckPoint>, ProtocolError> {
     lazy_static! {
         static ref CHECKPOINT_REGEX: Regex =
-            Regex::new(r#"^_delta_log/(\d{20})\.checkpoint\.parquet$"#).unwrap();
+            Regex::new(r"^_delta_log/(\d{20})\.checkpoint\.parquet$").unwrap();
         static ref CHECKPOINT_PARTS_REGEX: Regex =
-            Regex::new(r#"^_delta_log/(\d{20})\.checkpoint\.\d{10}\.(\d{10})\.parquet$"#).unwrap();
+            Regex::new(r"^_delta_log/(\d{20})\.checkpoint\.\d{10}\.(\d{10})\.parquet$").unwrap();
     }
 
     let mut cp: Option<CheckPoint> = None;
diff --git a/rust/src/delta.rs b/rust/src/delta.rs
index 7355becf6e..2a2d50f9b2 100644
--- a/rust/src/delta.rs
+++ b/rust/src/delta.rs
@@ -387,7 +387,7 @@ impl DeltaTable {
         // TODO check if regex matches against path
         lazy_static! {
             static ref DELTA_LOG_REGEX: Regex =
-                Regex::new(r#"^_delta_log/(\d{20})\.(json|checkpoint)*$"#).unwrap();
+                Regex::new(r"^_delta_log/(\d{20})\.(json|checkpoint)*$").unwrap();
         }
 
         let mut current_delta_log_ver = i64::MAX;
diff --git a/rust/src/delta_arrow.rs b/rust/src/delta_arrow.rs
index 82ae2fb4d1..72e2168741 100644
--- a/rust/src/delta_arrow.rs
+++ b/rust/src/delta_arrow.rs
@@ -658,7 +658,7 @@ mod tests {
             delta_log_schema_for_table(table_schema.clone(), partition_columns.as_slice(), false);
 
         // verify top-level schema contains all expected fields and they are named correctly.
-        let expected_fields = vec!["metaData", "protocol", "txn", "remove", "add"];
+        let expected_fields = ["metaData", "protocol", "txn", "remove", "add"];
         for f in log_schema.fields().iter() {
             assert!(expected_fields.contains(&f.name().as_str()));
         }
@@ -771,7 +771,7 @@ mod tests {
             })
             .collect();
         assert_eq!(7, remove_fields.len());
-        let expected_fields = vec![
+        let expected_fields = [
             "path",
             "deletionTimestamp",
             "dataChange",
diff --git a/rust/src/delta_datafusion.rs b/rust/src/delta_datafusion.rs
index 136e69389f..a8be8ecfac 100644
--- a/rust/src/delta_datafusion.rs
+++ b/rust/src/delta_datafusion.rs
@@ -106,8 +106,8 @@ impl DeltaTableState {
         let stats = self
             .files()
             .iter()
-            .fold(
-                Some(Statistics {
+            .try_fold(
+                Statistics {
                     num_rows: Some(0),
                     total_byte_size: Some(0),
                     column_statistics: Some(vec![
@@ -120,9 +120,8 @@ impl DeltaTableState {
                         self.schema().unwrap().get_fields().len()
                     ]),
                     is_exact: true,
-                }),
+                },
                 |acc, action| {
-                    let acc = acc?;
                     let new_stats = action
                         .get_stats()
                         .unwrap_or_else(|_| Some(action::Stats::default()))?;
@@ -468,7 +467,7 @@ impl TableProvider for DeltaTable {
             self.get_state()
                 .files()
                 .iter()
-                .zip(files_to_prune.into_iter())
+                .zip(files_to_prune)
                 .filter_map(
                     |(action, keep)| {
                         if keep {
diff --git a/rust/src/operations/transaction/state.rs b/rust/src/operations/transaction/state.rs
index 7962ae6e4d..e1114b8eee 100644
--- a/rust/src/operations/transaction/state.rs
+++ b/rust/src/operations/transaction/state.rs
@@ -82,7 +82,7 @@ impl DeltaTableState {
             Ok(Either::Left(
                 self.files()
                     .iter()
-                    .zip(pruning_predicate.prune(self)?.into_iter())
+                    .zip(pruning_predicate.prune(self)?)
                     .filter_map(
                         |(action, keep_file)| {
                             if keep_file {
@@ -234,7 +234,7 @@ impl<'a> AddContainer<'a> {
         Ok(self
             .inner
             .iter()
-            .zip(pruning_predicate.prune(self)?.into_iter())
+            .zip(pruning_predicate.prune(self)?)
             .filter_map(
                 |(action, keep_file)| {
                     if keep_file {
diff --git a/rust/src/storage/file.rs b/rust/src/storage/file.rs
index d9188b758c..6e64e52be9 100644
--- a/rust/src/storage/file.rs
+++ b/rust/src/storage/file.rs
@@ -19,37 +19,58 @@ const STORE_NAME: &str = "DeltaLocalObjectStore";
 /// Error raised by storage lock client
 #[derive(thiserror::Error, Debug)]
 #[allow(dead_code)]
-pub(self) enum LocalFileSystemError {
+pub enum LocalFileSystemError {
+    /// Object exists already at path
     #[error("Object exists already at path: {} ({:?})", path, source)]
     AlreadyExists {
+        /// Path of the already existing file
         path: String,
+        /// Originating error
         source: Box<dyn std::error::Error + Send + Sync + 'static>,
     },
 
+    /// Object not found at the given path
     #[error("Object not found at path: {} ({:?})", path, source)]
     NotFound {
+        /// Provided path which does not exist
         path: String,
+        /// Originating error
         source: Box<dyn std::error::Error + Send + Sync + 'static>,
     },
 
+    /// Invalid argument sent to OS call
     #[error("Invalid argument in OS call for path: {} ({:?})", path, source)]
-    InvalidArgument { path: String, source: errno::Errno },
+    InvalidArgument {
+        /// Provided path
+        path: String,
+        /// Originating error
+        source: errno::Errno,
+    },
 
+    /// Null error for path for FFI
     #[error("Null error in FFI for path: {} ({:?})", path, source)]
     NullError {
+        /// Given path
         path: String,
+        /// Originating error
         source: std::ffi::NulError,
     },
 
+    /// Generic catch-all error for this store
     #[error("Generic error in store: {} ({:?})", store, source)]
     Generic {
+        /// String name of the object store
         store: &'static str,
+        /// Originating error
         source: Box<dyn std::error::Error + Send + Sync + 'static>,
     },
 
+    /// Errors from the Tokio runtime
     #[error("Error executing async task for path: {} ({:?})", path, source)]
     Tokio {
+        /// Path
         path: String,
+        /// Originating error
         source: tokio::task::JoinError,
     },
 }