diff --git a/docs/en/docs/tutorial/path-params.md b/docs/en/docs/tutorial/path-params.md
index 457cc2713..ea4307900 100644
--- a/docs/en/docs/tutorial/path-params.md
+++ b/docs/en/docs/tutorial/path-params.md
@@ -2,7 +2,7 @@
 
 You can declare path "parameters" or "variables" with the same syntax used by Python format strings:
 
-{* ../../docs_src/path_params/tutorial001.py hl[6:7] *}
+{* ../../docs_src/path_params/tutorial001_py39.py hl[6:7] *}
 
 The value of the path parameter `item_id` will be passed to your function as the argument `item_id`.
 
@@ -16,7 +16,7 @@ So, if you run this example and go to <a href="http://127.0.0.1:8000/items/foo"
 
 You can declare the type of a path parameter in the function, using standard Python type annotations:
 
-{* ../../docs_src/path_params/tutorial002.py hl[7] *}
+{* ../../docs_src/path_params/tutorial002_py39.py hl[7] *}
 
 In this case, `item_id` is declared to be an `int`.
 
@@ -118,13 +118,13 @@ And then you can also have a path `/users/{user_id}` to get data about a specifi
 
 Because *path operations* are evaluated in order, you need to make sure that the path for `/users/me` is declared before the one for `/users/{user_id}`:
 
-{* ../../docs_src/path_params/tutorial003.py hl[6,11] *}
+{* ../../docs_src/path_params/tutorial003_py39.py hl[6,11] *}
 
 Otherwise, the path for `/users/{user_id}` would match also for `/users/me`, "thinking" that it's receiving a parameter `user_id` with a value of `"me"`.
 
 Similarly, you cannot redefine a path operation:
 
-{* ../../docs_src/path_params/tutorial003b.py hl[6,11] *}
+{* ../../docs_src/path_params/tutorial003b_py39.py hl[6,11] *}
 
 The first one will always be used since the path matches first.
 
@@ -140,13 +140,7 @@ By inheriting from `str` the API docs will be able to know that the values must
 
 Then create class attributes with fixed values, which will be the available valid values:
 
-{* ../../docs_src/path_params/tutorial005.py hl[1,6:9] *}
-
-/// info
-
-<a href="https://docs.python.org/3/library/enum.html" class="external-link" target="_blank">Enumerations (or enums) are available in Python</a> since version 3.4.
-
-///
+{* ../../docs_src/path_params/tutorial005_py39.py hl[1,6:9] *}
 
 /// tip
 
@@ -158,7 +152,7 @@ If you are wondering, "AlexNet", "ResNet", and "LeNet" are just names of Machine
 
 Then create a *path parameter* with a type annotation using the enum class you created (`ModelName`):
 
-{* ../../docs_src/path_params/tutorial005.py hl[16] *}
+{* ../../docs_src/path_params/tutorial005_py39.py hl[16] *}
 
 ### Check the docs { #check-the-docs }
 
@@ -174,13 +168,13 @@ The value of the *path parameter* will be an *enumeration member*.
 
 You can compare it with the *enumeration member* in your created enum `ModelName`:
 
-{* ../../docs_src/path_params/tutorial005.py hl[17] *}
+{* ../../docs_src/path_params/tutorial005_py39.py hl[17] *}
 
 #### Get the *enumeration value* { #get-the-enumeration-value }
 
 You can get the actual value (a `str` in this case) using `model_name.value`, or in general, `your_enum_member.value`:
 
-{* ../../docs_src/path_params/tutorial005.py hl[20] *}
+{* ../../docs_src/path_params/tutorial005_py39.py hl[20] *}
 
 /// tip
 
@@ -194,7 +188,7 @@ You can return *enum members* from your *path operation*, even nested in a JSON
 
 They will be converted to their corresponding values (strings in this case) before returning them to the client:
 
-{* ../../docs_src/path_params/tutorial005.py hl[18,21,23] *}
+{* ../../docs_src/path_params/tutorial005_py39.py hl[18,21,23] *}
 
 In your client you will get a JSON response like:
 
@@ -233,7 +227,7 @@ In this case, the name of the parameter is `file_path`, and the last part, `:pat
 
 So, you can use it with:
 
-{* ../../docs_src/path_params/tutorial004.py hl[6] *}
+{* ../../docs_src/path_params/tutorial004_py39.py hl[6] *}
 
 /// tip
 
diff --git a/docs_src/path_params/tutorial001.py b/docs_src/path_params/tutorial001_py39.py
similarity index 100%
rename from docs_src/path_params/tutorial001.py
rename to docs_src/path_params/tutorial001_py39.py
diff --git a/docs_src/path_params/tutorial002.py b/docs_src/path_params/tutorial002_py39.py
similarity index 100%
rename from docs_src/path_params/tutorial002.py
rename to docs_src/path_params/tutorial002_py39.py
diff --git a/docs_src/path_params/tutorial003.py b/docs_src/path_params/tutorial003_py39.py
similarity index 100%
rename from docs_src/path_params/tutorial003.py
rename to docs_src/path_params/tutorial003_py39.py
diff --git a/docs_src/path_params/tutorial003b.py b/docs_src/path_params/tutorial003b_py39.py
similarity index 100%
rename from docs_src/path_params/tutorial003b.py
rename to docs_src/path_params/tutorial003b_py39.py
diff --git a/docs_src/path_params/tutorial004.py b/docs_src/path_params/tutorial004_py39.py
similarity index 100%
rename from docs_src/path_params/tutorial004.py
rename to docs_src/path_params/tutorial004_py39.py
diff --git a/docs_src/path_params/tutorial005.py b/docs_src/path_params/tutorial005_py39.py
similarity index 100%
rename from docs_src/path_params/tutorial005.py
rename to docs_src/path_params/tutorial005_py39.py
diff --git a/tests/test_tutorial/test_path_params/test_tutorial004.py b/tests/test_tutorial/test_path_params/test_tutorial004.py
index acbeaca76..f7f233ccf 100644
--- a/tests/test_tutorial/test_path_params/test_tutorial004.py
+++ b/tests/test_tutorial/test_path_params/test_tutorial004.py
@@ -1,6 +1,6 @@
 from fastapi.testclient import TestClient
 
-from docs_src.path_params.tutorial004 import app
+from docs_src.path_params.tutorial004_py39 import app
 
 client = TestClient(app)
 
diff --git a/tests/test_tutorial/test_path_params/test_tutorial005.py b/tests/test_tutorial/test_path_params/test_tutorial005.py
index 2e4b0146b..b3be70471 100644
--- a/tests/test_tutorial/test_path_params/test_tutorial005.py
+++ b/tests/test_tutorial/test_path_params/test_tutorial005.py
@@ -1,7 +1,7 @@
 from dirty_equals import IsDict
 from fastapi.testclient import TestClient
 
-from docs_src.path_params.tutorial005 import app
+from docs_src.path_params.tutorial005_py39 import app
 
 client = TestClient(app)