MAINT: Update black

Update black and reformat

pandas_datareader/av/__init__.py

@@ -50,7 +50,7 @@ def __init__(
 
     @property
     def url(self):
-        """ API URL """
+        """API URL"""
         return AV_BASE_URL
 
     @property
@@ -59,12 +59,12 @@ def params(self):
 
     @property
     def function(self):
-        """ Alpha Vantage endpoint function"""
+        """Alpha Vantage endpoint function"""
         raise NotImplementedError
 
     @property
     def data_key(self):
-        """ Key of data returned from Alpha Vantage """
+        """Key of data returned from Alpha Vantage"""
         raise NotImplementedError
 
     def _read_lines(self, out):

pandas_datareader/av/time_series.py

@@ -84,7 +84,7 @@ def forex(self):
 
     @property
     def output_size(self):
-        """ Used to limit the size of the Alpha Vantage query when
+        """Used to limit the size of the Alpha Vantage query when
         possible.
         """
         delta = dt.datetime.now() - self.start

pandas_datareader/base.py

@@ -102,7 +102,7 @@ def read(self):
             self.close()
 
     def _read_one_data(self, url, params):
-        """ read one data from specified URL """
+        """read one data from specified URL"""
         if self._format == "string":
             out = self._read_url_as_StringIO(url, params=params)
         elif self._format == "json":
@@ -139,7 +139,7 @@ def _sanitize_response(response):
         return response.content
 
     def _get_response(self, url, params=None, headers=None):
-        """ send raw HTTP request to get requests.Response from the specified url
+        """send raw HTTP request to get requests.Response from the specified url
         Parameters
         ----------
         url : str
@@ -181,7 +181,7 @@ def _get_response(self, url, params=None, headers=None):
         raise RemoteDataError(msg)
 
     def _get_crumb(self, *args):
-        """ To be implemented by subclass """
+        """To be implemented by subclass"""
         raise NotImplementedError("Subclass has not implemented method.")
 
     def _output_error(self, out):
@@ -221,7 +221,7 @@ def _read_lines(self, out):
 
 
 class _DailyBaseReader(_BaseReader):
-    """ Base class for Google / Yahoo daily reader """
+    """Base class for Google / Yahoo daily reader"""
 
     def __init__(
         self,
@@ -302,7 +302,7 @@ def _in_chunks(seq, size):
 
 class _OptionBaseReader(_BaseReader):
     def __init__(self, symbol, session=None):
-        """ Instantiates options_data with a ticker saved as symbol """
+        """Instantiates options_data with a ticker saved as symbol"""
         self.symbol = symbol.upper()
         super(_OptionBaseReader, self).__init__(symbols=symbol, session=session)
 

pandas_datareader/econdb.py

@@ -21,7 +21,7 @@ def url(self):
         )
 
     def read(self):
-        """ read one data from specified URL """
+        """read one data from specified URL"""
         results = self.session.get(self.url).json()["results"]
         df = pd.DataFrame({"dates": []}).set_index("dates")
 

pandas_datareader/enigma.py

@@ -123,7 +123,7 @@ def get_current_snapshot_id(self, dataset_id):
 
     def get_dataset_metadata(self, dataset_id):
         """Get the Dataset Model of this EnigmaReader's dataset
-            https://docs.public.enigma.com/resources/dataset/index.html
+        https://docs.public.enigma.com/resources/dataset/index.html
         """
         url = "datasets/{0}?row_limit=0".format(dataset_id)
         response = self._get(url)

pandas_datareader/io/sdmx.py

@@ -234,7 +234,7 @@ def _read_sdmx_dsd(path_or_buf):
 
 
 def _read_zipped_sdmx(path_or_buf):
-    """ Unzipp data contains SDMX-XML """
+    """Unzipp data contains SDMX-XML"""
     data = _read_content(path_or_buf)
 
     zp = BytesIO()

pandas_datareader/oecd.py

@@ -22,7 +22,7 @@ def url(self):
         return "{0}/{1}/all/all?".format(url, self.symbols)
 
     def _read_lines(self, out):
-        """ read one data from specified URL """
+        """read one data from specified URL"""
         df = read_jsdmx(out)
         try:
             idx_name = df.index.name  # hack for pandas 0.16.2

pandas_datareader/tiingo.py

@@ -25,34 +25,34 @@ def get_tiingo_symbols():
 
 class TiingoIEXHistoricalReader(_BaseReader):
     """
-        Historical data from Tiingo on equities, ETFs and mutual funds,
-        with re-sampling capability. This query is limited to the last
-        1,000 bars based in the endDate. So the startDate is moved if
-        it goes past the limit.
-
-        Parameters
-        ----------
-        symbols : {str, List[str]}
-            String symbol or list of symbols
-        start : string, int, date, datetime, Timestamp
-            Starting date. Parses many different kind of date
-            representations (e.g., 'JAN-01-2010', '1/1/10', 'Jan, 1, 1980'). Defaults to
-            20 years before current date.
-        end : string, int, date, datetime, Timestamp
-            Ending date
-        retry_count : int, default 3
-            Number of times to retry query request.
-        pause : float, default 0.1
-            Time, in seconds, of the pause between retries.
-        session : Session, default None
-            requests.sessions.Session instance to be used
-        freq : {str, None}
-        Re-sample frequency. Format is # + (min/hour); e.g. "15min" or "4hour".
-        If no value is provided, defaults to 5min. The minimum value is "1min".
-        Units in minutes (min) and hours (hour) are accepted.
-        api_key : str, optional
-            Tiingo API key . If not provided the environmental variable
-            TIINGO_API_KEY is read. The API key is *required*.
+    Historical data from Tiingo on equities, ETFs and mutual funds,
+    with re-sampling capability. This query is limited to the last
+    1,000 bars based in the endDate. So the startDate is moved if
+    it goes past the limit.
+
+    Parameters
+    ----------
+    symbols : {str, List[str]}
+        String symbol or list of symbols
+    start : string, int, date, datetime, Timestamp
+        Starting date. Parses many different kind of date
+        representations (e.g., 'JAN-01-2010', '1/1/10', 'Jan, 1, 1980'). Defaults to
+        20 years before current date.
+    end : string, int, date, datetime, Timestamp
+        Ending date
+    retry_count : int, default 3
+        Number of times to retry query request.
+    pause : float, default 0.1
+        Time, in seconds, of the pause between retries.
+    session : Session, default None
+        requests.sessions.Session instance to be used
+    freq : {str, None}
+    Re-sample frequency. Format is # + (min/hour); e.g. "15min" or "4hour".
+    If no value is provided, defaults to 5min. The minimum value is "1min".
+    Units in minutes (min) and hours (hour) are accepted.
+    api_key : str, optional
+        Tiingo API key . If not provided the environmental variable
+        TIINGO_API_KEY is read. The API key is *required*.
     """
 
     def __init__(
@@ -105,7 +105,7 @@ def _get_crumb(self, *args):
         pass
 
     def _read_one_data(self, url, params):
-        """ read one data from specified URL """
+        """read one data from specified URL"""
         headers = {
             "Content-Type": "application/json",
             "Authorization": "Token " + self.api_key,
@@ -207,7 +207,7 @@ def _get_crumb(self, *args):
         pass
 
     def _read_one_data(self, url, params):
-        """ read one data from specified URL """
+        """read one data from specified URL"""
         headers = {
             "Content-Type": "application/json",
             "Authorization": "Token " + self.api_key,

pandas_datareader/tsp.py

@@ -72,7 +72,7 @@ def url(self):
         return "https://secure.tsp.gov/components/CORS/getSharePricesRaw.html"
 
     def read(self):
-        """ read one data from specified URL """
+        """read one data from specified URL"""
         df = super(TSPReader, self).read()
         df.columns = map(lambda x: x.strip(), df.columns)
         df.drop(columns=self.all_symbols - set(self.symbols), inplace=True)

pandas_datareader/yahoo/daily.py

@@ -144,7 +144,7 @@ def _get_params(self, symbol):
         return params
 
     def _read_one_data(self, url, params):
-        """ read one data from specified symbol """
+        """read one data from specified symbol"""
 
         symbol = params["symbol"]
         del params["symbol"]

pandas_datareader/yahoo/fx.py

@@ -78,7 +78,7 @@ def read(self):
             self.close()
 
     def _read_one_data(self, symbol):
-        """ read one data from specified URL """
+        """read one data from specified URL"""
         url = "https://query1.finance.yahoo.com/v8/finance/chart/{}=X".format(symbol)
         params = self._get_params(symbol)
 

requirements-dev.txt

@@ -1,4 +1,4 @@
-black==19.10b0; python_version > '3.5'
+black==21.5b1; python_version > '3.5'
 flake8-bugbear; python_version > '3.5'
 coverage
 codecov