Remove some non-ASCII characters.

umodbus/utils.py

@@ -54,28 +54,19 @@ def pack_mbap(transaction_id, protocol_id, length, unit_id):
     return struct.pack('>HHHB', transaction_id, protocol_id, length, unit_id)
 
 
-def get_function_code_from_request_pdu(pdu):
-    """ Return function code from request PDU.
-
-    :return pdu: Array with bytes.
-    :return: Function code.
-    """
-    return struct.unpack('>B', pdu[:1])[0]
-
-
 def pack_exception_pdu(function_code, error_code):
     """ Return exception PDU of 2 bytes.
 
         "The exception response message has two fields that differentiate it
         from a nor mal response: Function Code Field: In a normal response, the
         server echoes the function code of the original request in the function
-        code field of the response. All function codes have a most – significant
+        code field of the response. All function codes have a most - significant
         bit (MSB) of 0 (their values are all below 80 hexadecimal). In an
         exception response, the server sets the MSB of the function code to 1.
         This makes the function code value in an exception response exactly 80
         hexadecimal higher than the value would be for a normal response.
 
-        With the function code’s MSB set, the client's application program can
+        With the function code's MSB set, the client's application program can
         recognize the exception response and can examine the data field for the
         exception code.  Data Field: In a normal response, the server may return
         data or statistics in the data field (any information that was requested
@@ -99,6 +90,15 @@ def pack_exception_pdu(function_code, error_code):
     return struct.pack('>BB', function_code + 0x80, error_code)
 
 
+def get_function_code_from_request_pdu(pdu):
+    """ Return function code from request PDU.
+
+    :return pdu: Array with bytes.
+    :return: Function code.
+    """
+    return struct.unpack('>B', pdu[:1])[0]
+
+
 def memoize(f):
     """ Decorator which caches function's return value each it is called.
     If called later with same arguments, the cached value is returned.