feat: Drop support for Python 3.9 - EOL

speedstorm1 · copybara-github · commit bb4e2b45d2d4 · 2025-11-17T12:25:13.000-08:00
PiperOrigin-RevId: 833441901
diff --git a/.kokoro/presubmit/presubmit.cfg b/.kokoro/presubmit/presubmit.cfg
@@ -5,7 +5,7 @@
 # Other Python version unit tests are run separately
 env_vars: {
     key: "NOX_SESSION"
-    value: "unit-3.9 lint lint_setup_py blacken cover"
+    value: "unit-3.12 lint lint_setup_py blacken cover"
 }
 
 # Run unit tests in parallel, splitting up by file
diff --git a/.kokoro/presubmit/release.cfg b/.kokoro/presubmit/release.cfg
@@ -3,7 +3,7 @@
 # Run system tests in presubmit for library releases
 env_vars: {
     key: "NOX_SESSION"
-    value: "system-3.9 unit"
+    value: "system-3.10 unit"
 }
 
 # Run system tests in parallel, splitting up by file
diff --git a/.kokoro/presubmit/unit_3-9.cfg b/.kokoro/presubmit/unit_3-9.cfg
@@ -3,7 +3,7 @@
 # Run unit tests for Python 3.9
 env_vars: {
     key: "NOX_SESSION"
-    value: "unit-3.9"
+    value: "unit-3.12"
 }
 
 # Run unit tests in parallel, splitting up by file
diff --git a/.kokoro/presubmit/unit_langchain_py39.cfg b/.kokoro/presubmit/unit_langchain_py39.cfg
@@ -3,7 +3,7 @@
 # Run unit tests for LangChain on Python 3.9
 env_vars: {
     key: "NOX_SESSION"
-    value: "unit_langchain-3.9"
+    value: "unit_langchain-3.11"
 }
 
 # Run unit tests in parallel, splitting up by file

Original file line number	Diff line number	Diff line change
`@@ -5,7 +5,7 @@`
`5`	`5`	`# Other Python version unit tests are run separately`
`6`	`6`	`env_vars: {`
`7`	`7`	`key: "NOX_SESSION"`
`8`		`- value: "unit-3.9 lint lint_setup_py blacken cover"`
	`8`	`+ value: "unit-3.12 lint lint_setup_py blacken cover"`
`9`	`9`	`}`
`10`	`10`
`11`	`11`	`# Run unit tests in parallel, splitting up by file`
Original file line number	Diff line number	Diff line change
`@@ -3,7 +3,7 @@`
`3`	`3`	`# Run system tests in presubmit for library releases`
`4`	`4`	`env_vars: {`
`5`	`5`	`key: "NOX_SESSION"`
`6`		`- value: "system-3.9 unit"`
	`6`	`+ value: "system-3.10 unit"`
`7`	`7`	`}`
`8`	`8`
`9`	`9`	`# Run system tests in parallel, splitting up by file`
Original file line number	Diff line number	Diff line change
`@@ -3,7 +3,7 @@`
`3`	`3`	`# Run unit tests for Python 3.9`
`4`	`4`	`env_vars: {`
`5`	`5`	`key: "NOX_SESSION"`
`6`		`- value: "unit-3.9"`
	`6`	`+ value: "unit-3.12"`
`7`	`7`	`}`
`8`	`8`
`9`	`9`	`# Run unit tests in parallel, splitting up by file`
Original file line number	Diff line number	Diff line change
`@@ -3,7 +3,7 @@`
`3`	`3`	`# Run unit tests for LangChain on Python 3.9`
`4`	`4`	`env_vars: {`
`5`	`5`	`key: "NOX_SESSION"`
`6`		`- value: "unit_langchain-3.9"`
	`6`	`+ value: "unit_langchain-3.11"`
`7`	`7`	`}`
`8`	`8`
`9`	`9`	`# Run unit tests in parallel, splitting up by file`