Issue 308 python linting (#443)

* Adds flake8, pylint, liccheck, flake8 to dependencies for data-pipeline

* Sets up and runs black autoformatting

* Adds flake8 to tox linting

* Fixes flake8 error F541 f string missing placeholders

* Fixes flake8 E501 line too long

* Fixes flake8 F401 imported but not used

* Adds pylint to tox and disables the following pylint errors:
- C0114: module docstrings
- R0201: method could have been a function
- R0903: too few public methods
- C0103: name case styling
- W0511: fix me
- W1203: f-string interpolation in logging

* Adds utils.py to tox.ini linting, runs black on utils.py

* Fixes import related pylint errors: C0411 and C0412

* Fixes or ignores remaining pylint errors (for discussion later)

* Adds safety and liccheck to tox.ini

data/data-pipeline/etl/sources/calenviroscreen/etl.py

@@ -9,16 +9,12 @@ logger = get_module_logger(__name__)
 class CalEnviroScreenETL(ExtractTransformLoad):
     def __init__(self):
         self.CALENVIROSCREEN_FTP_URL = "https://justice40-data.s3.amazonaws.com/data-sources/CalEnviroScreen_4.0_2021.zip"
-        self.CALENVIROSCREEN_CSV = (
-            self.TMP_PATH / "CalEnviroScreen_4.0_2021.csv"
-        )
+        self.CALENVIROSCREEN_CSV = self.TMP_PATH / "CalEnviroScreen_4.0_2021.csv"
         self.CSV_PATH = self.DATA_PATH / "dataset" / "calenviroscreen4"
 
         # Definining some variable names
         self.CALENVIROSCREEN_SCORE_FIELD_NAME = "calenviroscreen_score"
-        self.CALENVIROSCREEN_PERCENTILE_FIELD_NAME = (
-            "calenviroscreen_percentile"
-        )
+        self.CALENVIROSCREEN_PERCENTILE_FIELD_NAME = "calenviroscreen_percentile"
         self.CALENVIROSCREEN_PRIORITY_COMMUNITY_FIELD_NAME = (
             "calenviroscreen_priority_community"
         )
@@ -30,14 +26,14 @@ class CalEnviroScreenETL(ExtractTransformLoad):
         self.df: pd.DataFrame
 
     def extract(self) -> None:
-        logger.info(f"Downloading CalEnviroScreen Data")
+        logger.info("Downloading CalEnviroScreen Data")
         super().extract(
             self.CALENVIROSCREEN_FTP_URL,
             self.TMP_PATH,
         )
 
     def transform(self) -> None:
-        logger.info(f"Transforming CalEnviroScreen Data")
+        logger.info("Transforming CalEnviroScreen Data")
 
         # Data from https://calenviroscreen-oehha.hub.arcgis.com/#Data, specifically:
         # https://oehha.ca.gov/media/downloads/calenviroscreen/document/calenviroscreen40resultsdatadictionaryd12021.zip
@@ -67,7 +63,7 @@ class CalEnviroScreenETL(ExtractTransformLoad):
         )
 
     def load(self) -> None:
-        logger.info(f"Saving CalEnviroScreen CSV")
+        logger.info("Saving CalEnviroScreen CSV")
         # write nationwide csv
         self.CSV_PATH.mkdir(parents=True, exist_ok=True)
-        self.df.to_csv(self.CSV_PATH / f"data06.csv", index=False)
+        self.df.to_csv(self.CSV_PATH / "data06.csv", index=False)