demos: Minor fixes.

Author: nlamprian

v3/as_demos/apoll.py

@@ -37,7 +37,7 @@ def timed_out(self):                # Time since last change or last timeout rep
             return True
         return False
 
-async def accel_coro(timeout = 2000):
+async def accel_coro(timeout=2000):
     accelhw = pyb.Accel()               # Instantiate accelerometer hardware
     await asyncio.sleep_ms(30)          # Allow it to settle
     accel = Accelerometer(accelhw, timeout)
@@ -53,7 +53,7 @@ async def accel_coro(timeout = 2000):
 
 async def main(delay):
     print('Testing accelerometer for {} secs. Move the Pyboard!'.format(delay))
-    print('Test runs for 20s.')
+    print('Test runs for {}s.'.format(delay))
     asyncio.create_task(accel_coro())
     await asyncio.sleep(delay)
     print('Test complete!')

v3/as_demos/auart.py

@@ -18,7 +18,7 @@ async def receiver():
     sreader = asyncio.StreamReader(uart)
     while True:
         res = await sreader.readline()
-        print('Recieved', res)
+        print('Received', res)
 
 async def main():
     asyncio.create_task(sender())

v3/docs/TUTORIAL.md

@@ -591,7 +591,7 @@ async def task(i, lock):
         lock.release()
 
 async def main():
-    lock = asyncio.Lock()  # The Lock instance
+    lock = Lock()  # The Lock instance
     for n in range(1, 4):
         asyncio.create_task(task(n, lock))
     await asyncio.sleep(10)
@@ -620,7 +620,7 @@ async def task(i, lock):
             await asyncio.sleep(0.5)
 
 async def main():
-    lock = asyncio.Lock()  # The Lock instance
+    lock = Lock()  # The Lock instance
     for n in range(1, 4):
         asyncio.create_task(task(n, lock))
     await asyncio.sleep(10)