diff --git a/src/daft-micropartition/src/ops/agg.rs b/src/daft-micropartition/src/ops/agg.rs
index 290a49197e..d9487fc04a 100644
--- a/src/daft-micropartition/src/ops/agg.rs
+++ b/src/daft-micropartition/src/ops/agg.rs
@@ -7,7 +7,7 @@ use crate::micropartition::MicroPartition;
 
 impl MicroPartition {
     pub fn agg(&self, to_agg: &[Expr], group_by: &[Expr]) -> DaftResult<Self> {
-        let io_stats = IOStatsContext::new(format!("MicroPartition::agg"));
+        let io_stats = IOStatsContext::new("MicroPartition::agg".to_string());
 
         let tables = self.concat_or_get(io_stats)?;
 
diff --git a/src/daft-micropartition/src/ops/concat.rs b/src/daft-micropartition/src/ops/concat.rs
index 1a2112eb90..7190aac104 100644
--- a/src/daft-micropartition/src/ops/concat.rs
+++ b/src/daft-micropartition/src/ops/concat.rs
@@ -27,7 +27,7 @@ impl MicroPartition {
             }
         }
 
-        let io_stats = IOStatsContext::new(format!("MicroPartition::concat"));
+        let io_stats = IOStatsContext::new("MicroPartition::concat".to_string());
 
         let mut all_tables = vec![];
 
diff --git a/src/daft-micropartition/src/ops/eval_expressions.rs b/src/daft-micropartition/src/ops/eval_expressions.rs
index 1e81d05f4d..0274bbebef 100644
--- a/src/daft-micropartition/src/ops/eval_expressions.rs
+++ b/src/daft-micropartition/src/ops/eval_expressions.rs
@@ -31,7 +31,7 @@ fn infer_schema(exprs: &[Expr], schema: &Schema) -> DaftResult<Schema> {
 
 impl MicroPartition {
     pub fn eval_expression_list(&self, exprs: &[Expr]) -> DaftResult<Self> {
-        let io_stats = IOStatsContext::new(format!("MicroPartition::eval_expression_list"));
+        let io_stats = IOStatsContext::new("MicroPartition::eval_expression_list".to_string());
 
         let expected_schema = infer_schema(exprs, &self.schema)?;
         let tables = self.tables_or_read(io_stats)?;
@@ -54,7 +54,7 @@ impl MicroPartition {
     }
 
     pub fn explode(&self, exprs: &[Expr]) -> DaftResult<Self> {
-        let io_stats = IOStatsContext::new(format!("MicroPartition::explode"));
+        let io_stats = IOStatsContext::new("MicroPartition::explode".to_string());
 
         let tables = self.tables_or_read(io_stats)?;
         let evaluated_tables = tables
diff --git a/src/daft-micropartition/src/ops/filter.rs b/src/daft-micropartition/src/ops/filter.rs
index 56f5acf7e7..ee1d5a4e63 100644
--- a/src/daft-micropartition/src/ops/filter.rs
+++ b/src/daft-micropartition/src/ops/filter.rs
@@ -9,7 +9,7 @@ use daft_stats::TruthValue;
 
 impl MicroPartition {
     pub fn filter(&self, predicate: &[Expr]) -> DaftResult<Self> {
-        let io_stats = IOStatsContext::new(format!("MicroPartition::filter"));
+        let io_stats = IOStatsContext::new("MicroPartition::filter".to_string());
         if predicate.is_empty() {
             return Ok(Self::empty(Some(self.schema.clone())));
         }
diff --git a/src/daft-micropartition/src/ops/join.rs b/src/daft-micropartition/src/ops/join.rs
index 49fce45e52..c6d7b94537 100644
--- a/src/daft-micropartition/src/ops/join.rs
+++ b/src/daft-micropartition/src/ops/join.rs
@@ -34,7 +34,7 @@ impl MicroPartition {
         if let TruthValue::False = tv {
             return Ok(Self::empty(Some(join_schema.into())));
         }
-        let io_stats = IOStatsContext::new(format!("MicroPartition::join"));
+        let io_stats = IOStatsContext::new("MicroPartition::join".to_string());
 
         let lt = self.concat_or_get(io_stats.clone())?;
         let rt = right.concat_or_get(io_stats)?;
diff --git a/src/daft-micropartition/src/ops/partition.rs b/src/daft-micropartition/src/ops/partition.rs
index 9d07343304..e49d275610 100644
--- a/src/daft-micropartition/src/ops/partition.rs
+++ b/src/daft-micropartition/src/ops/partition.rs
@@ -46,7 +46,7 @@ impl MicroPartition {
         exprs: &[Expr],
         num_partitions: usize,
     ) -> DaftResult<Vec<Self>> {
-        let io_stats = IOStatsContext::new(format!("MicroPartition::partition_by_hash"));
+        let io_stats = IOStatsContext::new("MicroPartition::partition_by_hash".to_string());
 
         let tables = self.tables_or_read(io_stats)?;
 
@@ -66,7 +66,7 @@ impl MicroPartition {
     }
 
     pub fn partition_by_random(&self, num_partitions: usize, seed: u64) -> DaftResult<Vec<Self>> {
-        let io_stats = IOStatsContext::new(format!("MicroPartition::partition_by_random"));
+        let io_stats = IOStatsContext::new("MicroPartition::partition_by_random".to_string());
 
         let tables = self.tables_or_read(io_stats)?;
 
@@ -92,7 +92,7 @@ impl MicroPartition {
         boundaries: &Table,
         descending: &[bool],
     ) -> DaftResult<Vec<Self>> {
-        let io_stats = IOStatsContext::new(format!("MicroPartition::partition_by_range"));
+        let io_stats = IOStatsContext::new("MicroPartition::partition_by_range".to_string());
 
         let tables = self.tables_or_read(io_stats)?;
 
diff --git a/src/daft-micropartition/src/ops/sort.rs b/src/daft-micropartition/src/ops/sort.rs
index 476e00674c..da26c7940a 100644
--- a/src/daft-micropartition/src/ops/sort.rs
+++ b/src/daft-micropartition/src/ops/sort.rs
@@ -10,7 +10,7 @@ use crate::micropartition::MicroPartition;
 
 impl MicroPartition {
     pub fn sort(&self, sort_keys: &[Expr], descending: &[bool]) -> DaftResult<Self> {
-        let io_stats = IOStatsContext::new(format!("MicroPartition::sort"));
+        let io_stats = IOStatsContext::new("MicroPartition::sort".to_string());
 
         let tables = self.concat_or_get(io_stats)?;
         match tables.as_slice() {
@@ -28,7 +28,7 @@ impl MicroPartition {
     }
 
     pub fn argsort(&self, sort_keys: &[Expr], descending: &[bool]) -> DaftResult<Series> {
-        let io_stats = IOStatsContext::new(format!("MicroPartition::argsort"));
+        let io_stats = IOStatsContext::new("MicroPartition::argsort".to_string());
 
         let tables = self.concat_or_get(io_stats)?;
         match tables.as_slice() {
diff --git a/src/daft-micropartition/src/ops/take.rs b/src/daft-micropartition/src/ops/take.rs
index ffa190c163..f1e988ed36 100644
--- a/src/daft-micropartition/src/ops/take.rs
+++ b/src/daft-micropartition/src/ops/take.rs
@@ -9,7 +9,7 @@ use crate::micropartition::MicroPartition;
 
 impl MicroPartition {
     pub fn take(&self, idx: &Series) -> DaftResult<Self> {
-        let io_stats = IOStatsContext::new(format!("MicroPartition::take"));
+        let io_stats = IOStatsContext::new("MicroPartition::take".to_string());
 
         let tables = self.concat_or_get(io_stats)?;
         match tables.as_slice() {