A bit of cleanup in the example files.

Author: robertwb

sdks/python/apache_beam/yaml/examples/regex_matches.yaml

@@ -16,8 +16,6 @@
 # limitations under the License.
 #
 
-# pytype: skip-file
-
 # This pipline creates a series of {plant: description} key pairs, matches all
 # elements to a valid regex, filters out non-matching entries, then logs the
 # output.
@@ -46,14 +44,14 @@ pipeline:
               def regex_filter(row):
                 match = re.match("(?P<icon>[^\s,]+), *(\w+), *(\w+)", row.plant)
                 return match.group(0) if match else match
-                
+
     # Filters out None values produced by values that don't match regex
     - type: Filter
       config:
         language: python
         keep: plant
     - type: LogForTesting
-      
+
 # Expected:
 #  Row(plant='🍓, Strawberry, perennial')
 #  Row(plant='🥕, Carrot, biennial')

sdks/python/apache_beam/yaml/examples/simple_filter.yaml

@@ -20,8 +20,7 @@
 #`ReadFromText` to a local file.
 #
 # To set up Application Default Credentials,
-# see https://cloud.google.com/docs/authentication/external/set-up-adc for more
-# information
+# see https://cloud.google.com/docs/authentication/external/set-up-adc.
 #
 # The following example reads mock transaction data from resources/products.csv
 # then performs a simple filter for "Electronics".

sdks/python/apache_beam/yaml/examples/simple_filter_and_combine.yaml

@@ -20,8 +20,7 @@
 #`ReadFromText` to a local file.
 #
 # To set up Application Default Credentials,
-# see https://cloud.google.com/docs/authentication/external/set-up-adc for more
-# information
+# see https://cloud.google.com/docs/authentication/external/set-up-adc.
 #
 # The following example reads mock transaction data from resources/products.csv,
 # performs a simple filter for "Electronics", then calculates the revenue and

sdks/python/apache_beam/yaml/examples/wordcount_minimal.yaml

@@ -21,10 +21,9 @@
 #`ReadFromText` to a local file.
 #
 # To set up Application Default Credentials,
-# see https://cloud.google.com/docs/authentication/external/set-up-adc for more
-# information
+# see https://cloud.google.com/docs/authentication/external/set-up-adc.
 #
-# This pipeline reads in a text file, counts distinct words found in the text, 
+# This pipeline reads in a text file, counts distinct words found in the text,
 # then logs a row containing each word and its count.
 pipeline:
   type: chain
@@ -70,7 +69,7 @@ pipeline:
 
     # Log out results
     - type: LogForTesting
-  
+
 # Expected:
 #  Row(word='king', count=311)
 #  Row(word='lear', count=253)