[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

CONTRIBUTING.md

@@ -149,6 +149,6 @@ _Note: You might want to set a reference to the main repository to fetch/merge f
 git remote add upstream https://github.com/nteract/papermill
 ```
 
-It's possible you will have conflicts between your repository and main. Here, `main` is meant to be synchronized with the `upstream` repository.  GitHub has some good [documentation](https://help.github.com/articles/resolving-a-merge-conflict-using-the-command-line/) on merging pull requests from the command line.
+It's possible you will have conflicts between your repository and main. Here, `main` is meant to be synchronized with the `upstream` repository. GitHub has some good [documentation](https://help.github.com/articles/resolving-a-merge-conflict-using-the-command-line/) on merging pull requests from the command line.
 
 Happy hacking on Papermill!

README.md

@@ -47,7 +47,7 @@ pip install papermill
 ```
 
 For all optional io dependencies, you can specify individual bundles
-like `s3`, or `azure` -- or use `all`. To use Black to format parameters you can add as an extra requires \['black'\].
+like `s3`, or `azure` -- or use `all`. To use Black to format parameters you can add as an extra requires ['black'].
 
 ```{.sourceCode .bash}
 pip install papermill[all]
@@ -100,7 +100,7 @@ $ papermill local/input.ipynb s3://bkt/output.ipynb -p alpha 0.6 -p l1_ratio 0.1
 ```
 
 **NOTE:**
-If you use multiple AWS accounts, and you have [properly configured your AWS  credentials](https://boto3.amazonaws.com/v1/documentation/api/latest/guide/configuration.html), then you can specify which account to use by setting the `AWS_PROFILE` environment variable at the command-line. For example:
+If you use multiple AWS accounts, and you have [properly configured your AWS credentials](https://boto3.amazonaws.com/v1/documentation/api/latest/guide/configuration.html), then you can specify which account to use by setting the `AWS_PROFILE` environment variable at the command-line. For example:
 
 ```{.sourceCode .bash}
 $ AWS_PROFILE=dev_account papermill local/input.ipynb s3://bkt/output.ipynb -p alpha 0.6 -p l1_ratio 0.1
@@ -154,7 +154,7 @@ Papermill supports the following name handlers for input and output paths during
 
 - Local file system: `local`
 
-- HTTP, HTTPS protocol:  `http://, https://`
+- HTTP, HTTPS protocol: `http://, https://`
 
 - Amazon Web Services: [AWS S3](https://aws.amazon.com/s3/) `s3://`
 

binder/cli-simple/pm_example.ipynb

@@ -64,6 +64,7 @@
    ],
    "source": [
     "import os\n",
+    "\n",
     "import papermill as pm\n",
     "\n",
     "binder_dir = '..'"

docs/changelog.md

@@ -188,8 +188,8 @@ We made it to our [1.0 milestone goals](https://github.com/nteract/papermill/mil
 
 - Input and output paths can now reference input parameters. `my_nb_{nb_type}.ipynb out_{nb_type}.ipynb -p nb_type test` will substitute values into the paths passed in with python format application patterns.
 - `read_notebook`, `read_notebooks`, `record`, and `display` api functions are now removed.
-- \[upstream\] ipywidgets are now supported. See [nbconvert docs](https://nbconvert.readthedocs.io/en/latest/execute_api.html#widget-state) for details.
-- \[upstream\] notebook executions which run out of memory no longer hang indefinitely when the kernel dies.
+- [upstream] ipywidgets are now supported. See [nbconvert docs](https://nbconvert.readthedocs.io/en/latest/execute_api.html#widget-state) for details.
+- [upstream] notebook executions which run out of memory no longer hang indefinitely when the kernel dies.
 
 ## 0.19.1
 

papermill/abs.py

@@ -1,4 +1,5 @@
 """Utilities for working with Azure blob storage"""
+
 import io
 import re
 

papermill/adl.py

@@ -1,4 +1,5 @@
 """Utilities for working with Azure data lake storage"""
+
 import re
 
 from azure.datalake.store import core, lib

papermill/engines.py

@@ -1,4 +1,5 @@
 """Engines to perform different roles"""
+
 import datetime
 import sys
 from functools import wraps
@@ -169,9 +170,7 @@ def autosave_cell(self):
                 # Autosave is taking too long, so exponentially back off.
                 self.autosave_cell_every *= 2
                 logger.warning(
-                    "Autosave too slow: {:.2f} sec, over {}% limit. Backing off to {} sec".format(
-                        save_elapsed, self.max_autosave_pct, self.autosave_cell_every
-                    )
+                    f"Autosave too slow: {save_elapsed:.2f} sec, over {self.max_autosave_pct}% limit. Backing off to {self.autosave_cell_every} sec"
                 )
 
     @catch_nb_assignment

papermill/inspection.py

@@ -1,4 +1,5 @@
 """Deduce parameters of a notebook from the parameters cell."""
+
 from pathlib import Path
 
 import click

papermill/log.py

@@ -1,4 +1,5 @@
 """Sets up a logger"""
+
 import logging
 
 logger = logging.getLogger('papermill')

papermill/models.py

@@ -1,4 +1,5 @@
 """Models used by papermill."""
+
 from collections import namedtuple
 
 Parameter = namedtuple(