Corrected Python and rst files (ethereum#3062)

* Corrected Python and rst files

docs/examples.rst

@@ -1216,7 +1216,7 @@ The script can be run with: ``python ./eventscanner.py <your JSON-RPC API URL>``
 
     if __name__ == "__main__":
         # Simple demo that scans all the token transfers of RCC token (11k).
-        # The demo supports persistant state by using a JSON file.
+        # The demo supports persistent state by using a JSON file.
         # You will need an Ethereum node for this.
         # Running this script will consume around 20k JSON-RPC calls.
         # With locally running Geth, the script takes 10 minutes.

docs/troubleshooting.rst

@@ -81,7 +81,7 @@ diagnose the problem, ``is_connected`` has an optional ``show_traceback`` argume
     >>> w3.is_connected(show_traceback=True)
     # this is an example, your error may differ
     
-    # <long stack trace ouput>
+    # <long stack trace output>
     ProviderConnectionError: Problem connecting to provider with error: <class 'FileNotFoundError'>: cannot connect to IPC socket at path: None
 
 If you're running a local node, such as Geth, double-check that you've indeed started 

docs/web3.contract.rst

@@ -950,7 +950,7 @@ For example:
    Extracts the pertinent logs from a transaction receipt.
 
    If there are no errors, ``process_receipt`` returns a tuple of :ref:`Event Log Objects <event-log-object>`, emitted from the event (e.g. ``myEvent``),
-   with decoded ouput.
+   with decoded output.
 
    .. code-block:: python
 

docs/web3.eth.account.rst

@@ -94,7 +94,7 @@ By default, the balance of this address is zero.
 Before you can send any transactions with your account,
 you need to top up.
 
-- For a local test environment, any environment is boostrapped with accounts that have ETH on them. Move
+- For a local test environment, any environment is bootstrapped with accounts that have ETH on them. Move
   ETH from default accounts to your newly created account.
 
 - For public mainnet, you need to buy ETH in a cryptocurrency exchange

ethpm/package.py

@@ -247,7 +247,7 @@ def from_uri(cls, uri: URI, w3: "Web3") -> "Package":
     def get_contract_factory(self, name: ContractName) -> LinkableContract:
         """
         Return the contract factory for a given contract type, generated from
-        the data vailable in ``Package.manifest``. Contract factories are
+        the data available in ``Package.manifest``. Contract factories are
         accessible from the package class.
 
         .. code:: python

ethpm/tools/builder.py

@@ -825,7 +825,7 @@ def init_manifest(
     package_name: str, version: str, manifest_version: Optional[str] = "ethpm/3"
 ) -> Dict[str, Any]:
     """
-    Returns an initial dict with the minimal requried fields for a valid manifest.
+    Returns an initial dict with the minimal required fields for a valid manifest.
     Should only be used as the first fn to be piped into a `build()` pipeline.
     """
     return {

tests/core/contracts/test_contract_call_interface.py

@@ -959,7 +959,7 @@ def test_call_tuple_contract_with_decode_tuples_set(
     assert str(type(result)) == type_str
     assert result.__repr__() == namedtuple_repr
 
-    # check that the namedtuple ouput is still a tuple
+    # check that the namedtuple output is still a tuple
     assert result == plain_tuple_output
 
     # check that fields are correct

web3/pm.py

@@ -100,7 +100,7 @@ class ERC1319Registry(ABC):
     accessed directly, but rather through the methods on ``web3.pm``.
     They are unlikely to change, but must be implemented in a `ERC1319Registry`
     subclass in order to be compatible with the `PM` module. Any custom
-    methods (eg. not definied in ERC1319) in a subclass should *not* be
+    methods (eg. not defined in ERC1319) in a subclass should *not* be
     prefixed with an underscore.
 
     All of these methods must be implemented in any subclass in order to work

web3/types.py

@@ -90,7 +90,7 @@ class ABIEvent(TypedDict, total=False):
 
 
 class ABIFunctionComponents(TypedDict, total=False):
-    # better typed as Sequence['ABIFunctionComponents'], but recursion isnt possible yet
+    # better typed as Sequence['ABIFunctionComponents'], but recursion not possible yet
     # https://github.com/python/mypy/issues/731
     components: Sequence[Any]
     name: str