Update python.md (#3679)

* Update python.md
Co-authored-by: Scott Anderson <sanderson@users.noreply.github.com>

content/influxdb/v2.1/api-guide/client-libraries/python.md

@@ -110,14 +110,14 @@ write_api.write(bucket=bucket, org=org, record=p)
    query_api = client.query_api()
    ```
 
-2. Create a Flux query.
+2. Create a Flux query, and then format it as a Python string.
 
    ```python
-   query = ‘ from(bucket:"my-bucket")\
+   query = ' from(bucket:"my-bucket")\
    |> range(start: -10m)\
    |> filter(fn:(r) => r._measurement == "my_measurement")\
    |> filter(fn: (r) => r.location == "Prague")\
-   |> filter(fn:(r) => r._field == "temperature" )‘
+   |> filter(fn:(r) => r._field == "temperature" ) '
    ```
 
     The query client sends the Flux query to InfluxDB and returns a Flux object with a table structure.