Update the code examples and imports in the documentation.

website/docs/patterns/configuring_plugins.md

@@ -58,8 +58,6 @@ We can directly override Launcher config in primary config.
 <div className="col col--4">
 
 ```yaml title="config.yaml" 
-a: 1
-
 hydra:
   launcher:
     ton_fuel: 2
@@ -140,7 +138,7 @@ ton_fuel: 2
 </div>
 <div className="col col--6">
 
-```yaml title="hydra/sweeper/my_sim.yaml" {5}
+```yaml title="hydra/launcher/my_sim.yaml" {5}
 defaults:
   - sim
 

website/docs/patterns/specializing_config.md

@@ -52,8 +52,7 @@ the keyword `optional` tells Hydra to just continue if it can't find this file.
 When specializing config, you usually want to only specify what's different, and not the whole thing.
 We want the model for alexnet, when trained on cifar - to have 5 layers.
 
-### dataset_model/cifar10_alexnet.yaml
-```yaml
+```yaml title="dataset_model/cifar10_alexnet.yaml"
 # @package _global_
 
 model:

website/docs/tutorials/basic/running_your_app/3_working_directory.md

@@ -105,6 +105,9 @@ You can disable its creation by overriding `hydra.output_subdir` to `null`.
 With `hydra.job.chdir=True`, you can still access the original working directory by importing `get_original_cwd()` and `to_absolute_path()` in `hydra.utils`:
 
 ```python
+import os
+from omegaconf import DictConfig
+import hydra
 from hydra.utils import get_original_cwd, to_absolute_path
 
 @hydra.main(version_base=None)

website/docs/tutorials/structured_config/10_config_store.md

@@ -88,7 +88,12 @@ that is not the only way! We can also use `ConfigStore` to make another config g
 To achieve this, we add a few lines (highlighted) in the above `my_app.py` file:
 
 
-```python title="my_app.py" {1-9}
+```python title="my_app.py" {6-14}
+import hydra
+from omegaconf import OmegaConf, DictConfig
+from hydra.core.config_store import ConfigStore
+from dataclasses import dataclass
+
 @dataclass
 class PostgresSQLConfig:
     driver: str = "postgresql"

website/docs/tutorials/structured_config/2_hierarchical_static_config.md

@@ -11,7 +11,7 @@ import {ExampleGithubLink} from "@site/src/components/GithubLink"
 Dataclasses can be nested and then accessed via a common root.  The entire tree is type checked.
 
 ```python
-from dataclasses import dataclass
+from dataclasses import dataclass, field
 
 import hydra
 from hydra.core.config_store import ConfigStore

website/docs/tutorials/structured_config/3_config_groups.md

@@ -10,7 +10,9 @@ import {ExampleGithubLink} from "@site/src/components/GithubLink"
 Structured Configs can be used to implement config groups. Special care needs to be taken when specifying a 
 default value for fields populated by a config group. We will look at why below.
 
-```python title="Defining a config group for database" {16-17,22-23}
+```python title="Defining a config group for database" {24}
+from typing import Any
+from omegaconf import OmegaConf
 from dataclasses import dataclass
 
 import hydra

website/docs/tutorials/structured_config/4_defaults.md

@@ -14,20 +14,24 @@ The example below extends the previous example by adding a defaults list that wi
 NOTE: You can still place your defaults list in your primary (YAML) config file (Example in next page).
 </div><br/>
 
-```python {11-14,19,25}
-from dataclasses import dataclass
+```python {19-22,26-27}
+from dataclasses import dataclass, field
+from typing import Any, List
 
 import hydra
 from hydra.core.config_store import ConfigStore
 from omegaconf import MISSING, OmegaConf
 
 @dataclass
 class MySQLConfig:
-    ...
+    driver: str = "mysql"
+    port: int = 3306
 
 @dataclass
 class PostGreSQLConfig:
-    ...
+    driver: str = "postgresql"
+    port: int = 5432
+    timeout: int = 10
 
 defaults = [
     # Load the config "mysql" from the config group "db"

website/docs/tutorials/structured_config/5_schema.md

@@ -233,7 +233,7 @@ if __name__ == "__main__":
 </div>
 <div className="col col--6">
 
-```python title="database_lib.py" {17,22}
+```python title="database_lib.py" {21}
 from dataclasses import dataclass
 
 from hydra.core.config_store import ConfigStore