message: Fix RST docs souces formatting [skip ci]
  Remove trailing spaces
  Place each sentence to own line
  Split long sentences for better review
diff: @@ -6,7 +6,8 @@ Prerequisites
  .. note:: the library only works in Python 3 environment (Python 2 is not supported yet).
  -To use Iroha Python library, you need to get it from the `repository <https://github.com/hyperledger/iroha-python>`_ or via pip3:
  +To use Iroha Python library, you need to get it from the
  +`repository <https://github.com/hyperledger/iroha-python>`_ or via pip3:
  .. code-block:: shell
  @@ -17,10 +18,13 @@ Now, as we have the library, we can start sending the actual transactions.
  Running example transactions
  ----------------------------
  -If you only want to try what Iroha transactions would look like, you can simply go to the examples from the repository `here <https://github.com/hyperledger/iroha-python/tree/master/examples>`_.
  +If you only want to try what Iroha transactions would look like,
  +you can simply go to the examples from the repository
  +`here <https://github.com/hyperledger/iroha-python/tree/master/examples>`_.
  Let's check out the `tx-example.py` file.
  -Here are Iroha dependencies. Python library generally consists of 3 parts: Iroha, IrohaCrypto and IrohaGrpc which we need to import:
  +Here are Iroha dependencies.
  +Python library generally consists of 3 parts: Iroha, IrohaCrypto and IrohaGrpc which we need to import:
  .. code-block:: python
  @@ -48,8 +52,10 @@ In the next block we can see the following:
  iroha = Iroha('admin@test')
  net = IrohaGrpc()
  -Here you can see the example account information. It will be used later with the commands.
  -If you change the commands in the transaction, the set of data in this part might also change depending on what you need.
  +Here you can see the example account information.
  +It will be used later with the commands.
  +If you change the commands in the transaction,
  +the set of data in this part might also change depending on what you need.
  Defining the commands
  ---------------------
  @@ -91,6 +97,5 @@ Last lines
  run the commands defined previously.
  -Now, if you have `irohad` running, you can run the example or you own file by simply opening the .py file in another tab.
  -
  -
  +Now, if you have `irohad` running, you can run the example or
  +your own file by simply opening the .py file in another tab.
  