diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4c37997..874f493 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -15,3 +15,5 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Made label and expression parameters optional in attribute api response 
 ## [0.0.9] - 2025-12-09
 - Perfomance optimizations
+## [0.1.0] - 2025-12-10
+Time serires data made optional
\ No newline at end of file
diff --git a/dataquery/__init__.py b/dataquery/__init__.py
index cd87f56..244b623 100644
--- a/dataquery/__init__.py
+++ b/dataquery/__init__.py
@@ -14,7 +14,7 @@
 For more information, visit: https://github.com/dataquery/dataquery-sdk
 """
 
-__version__ = "0.0.9"
+__version__ = "0.1.0"
 __author__ = "DATAQUERY SDK Team"
 __email__ = "dataquery@jpmorgan.com"
 __license__ = "MIT"
diff --git a/dataquery/models.py b/dataquery/models.py
index 696fcdf..f4bdb75 100644
--- a/dataquery/models.py
+++ b/dataquery/models.py
@@ -992,7 +992,7 @@ class Attribute(BaseModel):
         None, alias="last-published", description="Date/Time data was last published"
     )
     message: Optional[str] = Field(None, description="Attribute level user message")
-    time_series: Optional[List[List[Union[str, float]]]] = Field(
+    time_series: Optional[List[List[Union[str, float, None]]]] = Field(
         None, alias="time-series", description="Time series data"
     )
 
diff --git a/examples/expressions/get_expressions_time_series.py b/examples/expressions/get_expressions_time_series.py
index 1ca2b8a..8f891ca 100644
--- a/examples/expressions/get_expressions_time_series.py
+++ b/examples/expressions/get_expressions_time_series.py
@@ -88,12 +88,21 @@ async def main() -> None:
                 page=None,
             )
 
-            series = getattr(resp, "series", []) or []
-            print(f"Series: {len(series)}")
-            for i, s in enumerate(series[: args.show], 1):
-                expr = s.get("expression", "")
-                points = s.get("data", [])
-                print(f"{i}. {expr} (points: {len(points)})")
+            # Extract time series from instruments -> attributes -> time_series
+            print(f"Total Instruments: {len(resp.instruments)}")
+            series_count = 0
+            for instrument in resp.instruments[: args.show]:
+                if instrument.attributes:
+                    for attr in instrument.attributes:
+                        series_count += 1
+                        expr = attr.expression or attr.attribute_name or "N/A"
+                        time_series = attr.time_series or []
+                        print(
+                            f"{series_count}. {expr} (data points: {len(time_series)})"
+                        )
+                        # Show first few data points as sample
+                        if time_series:
+                            print(f"   Sample data (first 5): {time_series[:5]}")
 
     except DataQueryError as e:
         print(f"Error: {e}")
diff --git a/examples/files/list_available_files.py b/examples/files/list_available_files.py
index 4e10b0d..d6c2100 100644
--- a/examples/files/list_available_files.py
+++ b/examples/files/list_available_files.py
@@ -69,10 +69,6 @@ async def main():
             print(f"{'File Name':<40} {'Date':<10} {'Size':<15}")
             print("-" * 60)
 
-            for f in files[:20]:
-                size_str = f"{f.get('file_size', 0):,} bytes"
-                print(f"{f.file_name:<40} {f.file_date:<10} {size_str:<15}")
-
             if len(files) > 20:
                 print(f"... and {len(files) - 20} more")