Revert "temporarily disable IN-PR"

This reverts commit 3c5e4b9.

Re-enables IN-PR and fixes #1614

Author: maxbellec

parsers/IN_PB.py

@@ -21,7 +21,6 @@ def read_text_by_regex(regex, text):
 
 
 def fetch_production(zone_key='IN-PB', session=None, target_datetime=None, logger=None):
-    raise ValueError('Parser temporarily disabled')
     """Fetch Punjab production"""
     if target_datetime:
         raise NotImplementedError('This parser is not yet able to parse past dates')
@@ -110,7 +109,6 @@ def read_punjab_consumption_date(date_text, time_text, current):
 
 
 def fetch_consumption(zone_key='IN-PB', session=None, target_datetime=None, logger=None):
-    raise ValueError('Parser temporarily disabled')
     """Fetch Punjab consumption"""
     if target_datetime:
         raise NotImplementedError('This parser is not yet able to parse past dates')