From 8fedbe49cb6d7b06ade3fa9cd0e00a076b3c4bcb Mon Sep 17 00:00:00 2001
From: "Brandon Hancock (bhancock_ai)"
 <109994880+bhancockio@users.noreply.github.com>
Date: Wed, 26 Feb 2025 13:24:31 -0500
Subject: [PATCH 1/2] Add support for python 3.10 (#2230)

---
 src/crewai/flow/persistence/sqlite.py | 39 +++++++++++++++++----------
 1 file changed, 25 insertions(+), 14 deletions(-)

diff --git a/src/crewai/flow/persistence/sqlite.py b/src/crewai/flow/persistence/sqlite.py
index 7a6f134fa..21e906afd 100644
--- a/src/crewai/flow/persistence/sqlite.py
+++ b/src/crewai/flow/persistence/sqlite.py
@@ -4,7 +4,7 @@ SQLite-based implementation of flow state persistence.
 
 import json
 import sqlite3
-from datetime import datetime
+from datetime import datetime, timezone
 from pathlib import Path
 from typing import Any, Dict, Optional, Union
 
@@ -34,6 +34,7 @@ class SQLiteFlowPersistence(FlowPersistence):
             ValueError: If db_path is invalid
         """
         from crewai.utilities.paths import db_storage_path
+
         # Get path from argument or default location
         path = db_path or str(Path(db_storage_path()) / "flow_states.db")
 
@@ -46,7 +47,8 @@ class SQLiteFlowPersistence(FlowPersistence):
     def init_db(self) -> None:
         """Create the necessary tables if they don't exist."""
         with sqlite3.connect(self.db_path) as conn:
-            conn.execute("""
+            conn.execute(
+                """
             CREATE TABLE IF NOT EXISTS flow_states (
                 id INTEGER PRIMARY KEY AUTOINCREMENT,
                 flow_uuid TEXT NOT NULL,
@@ -54,12 +56,15 @@ class SQLiteFlowPersistence(FlowPersistence):
                 timestamp DATETIME NOT NULL,
                 state_json TEXT NOT NULL
             )
-            """)
+            """
+            )
             # Add index for faster UUID lookups
-            conn.execute("""
+            conn.execute(
+                """
             CREATE INDEX IF NOT EXISTS idx_flow_states_uuid
             ON flow_states(flow_uuid)
-            """)
+            """
+            )
 
     def save_state(
         self,
@@ -85,19 +90,22 @@ class SQLiteFlowPersistence(FlowPersistence):
             )
 
         with sqlite3.connect(self.db_path) as conn:
-            conn.execute("""
+            conn.execute(
+                """
             INSERT INTO flow_states (
                 flow_uuid,
                 method_name,
                 timestamp,
                 state_json
             ) VALUES (?, ?, ?, ?)
-            """, (
-                flow_uuid,
-                method_name,
-                datetime.utcnow().isoformat(),
-                json.dumps(state_dict),
-            ))
+            """,
+                (
+                    flow_uuid,
+                    method_name,
+                    datetime.now(timezone.utc).isoformat(),
+                    json.dumps(state_dict),
+                ),
+            )
 
     def load_state(self, flow_uuid: str) -> Optional[Dict[str, Any]]:
         """Load the most recent state for a given flow UUID.
@@ -109,13 +117,16 @@ class SQLiteFlowPersistence(FlowPersistence):
             The most recent state as a dictionary, or None if no state exists
         """
         with sqlite3.connect(self.db_path) as conn:
-            cursor = conn.execute("""
+            cursor = conn.execute(
+                """
             SELECT state_json
             FROM flow_states
             WHERE flow_uuid = ?
             ORDER BY id DESC
             LIMIT 1
-            """, (flow_uuid,))
+            """,
+                (flow_uuid,),
+            )
             row = cursor.fetchone()
 
         if row:

From fbf87327841dd7b92bb04a23fd1575881a3ad3fa Mon Sep 17 00:00:00 2001
From: "Brandon Hancock (bhancock_ai)"
 <109994880+bhancockio@users.noreply.github.com>
Date: Wed, 26 Feb 2025 13:27:41 -0500
Subject: [PATCH 2/2] Fix type issue (#2224)

Co-authored-by: Lorenze Jay <63378463+lorenzejay@users.noreply.github.com>
---
 src/crewai/utilities/token_counter_callback.py | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/crewai/utilities/token_counter_callback.py b/src/crewai/utilities/token_counter_callback.py
index e612fcae4..7037ad5c4 100644
--- a/src/crewai/utilities/token_counter_callback.py
+++ b/src/crewai/utilities/token_counter_callback.py
@@ -30,8 +30,14 @@ class TokenCalcHandler(CustomLogger):
                     if hasattr(usage, "prompt_tokens"):
                         self.token_cost_process.sum_prompt_tokens(usage.prompt_tokens)
                     if hasattr(usage, "completion_tokens"):
-                        self.token_cost_process.sum_completion_tokens(usage.completion_tokens)
-                    if hasattr(usage, "prompt_tokens_details") and usage.prompt_tokens_details:
+                        self.token_cost_process.sum_completion_tokens(
+                            usage.completion_tokens
+                        )
+                    if (
+                        hasattr(usage, "prompt_tokens_details")
+                        and usage.prompt_tokens_details
+                        and usage.prompt_tokens_details.cached_tokens
+                    ):
                         self.token_cost_process.sum_cached_prompt_tokens(
                             usage.prompt_tokens_details.cached_tokens
                         )