remove clock-exception

pyrate_limiter/clocks.py

@@ -8,7 +8,6 @@
 from typing import TYPE_CHECKING
 
 from .abstracts import AbstractClock
-from .exceptions import PyrateClockException
 from .utils import dedicated_sqlite_clock_connection
 
 if TYPE_CHECKING:
@@ -67,10 +66,7 @@ def now(self) -> int:
             with conn.cursor() as cur:
                 cur.execute("SELECT EXTRACT(epoch FROM current_timestamp) * 1000")
                 result = cur.fetchone()
-
-                if not result:
-                    raise PyrateClockException(self, detail=f"invalid result from query current-timestamp: {result}")
-
+                assert result, "unable to get current-timestamp from postgres"
                 value = int(result[0])
 
         return value

pyrate_limiter/exceptions.py

@@ -33,9 +33,3 @@ def __init__(self, item: RateItem, rate: Rate, actual_delay: int, max_delay: int
             "actual_delay": actual_delay,
         }
         super().__init__(error)
-
-
-class PyrateClockException(Exception):
-    def __init__(self, clock: object, detail=None):
-        error = f"Clock({repr(clock)}) is failing: {detail}"
-        super().__init__(error)