diff --git a/.travis.yml b/.travis.yml
index a711290ea..d5cd52df2 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -39,9 +39,9 @@ jobs:
       - cp config.json.example config.json
       - python freqtrade --datadir freqtrade/tests/testdata hyperopt -e 5
       name: hyperopt
-    - script: flake8 freqtrade
+    - script: flake8 freqtrade scripts
       name: flake8
-    - script: mypy freqtrade
+    - script: mypy freqtrade scripts
       name: mypy
 
     - stage: docker
diff --git a/docs/plotting.md b/docs/plotting.md
index a9b191e75..60c642ab3 100644
--- a/docs/plotting.md
+++ b/docs/plotting.md
@@ -84,5 +84,5 @@ The `-p` pair argument, can be used to plot a single pair
 
 Example
 ```
-python3 scripts/plot_profit.py --datadir ../freqtrade/freqtrade/tests/testdata-20171221/ -p BTC_LTC
+python3 scripts/plot_profit.py --datadir ../freqtrade/freqtrade/tests/testdata-20171221/ -p LTC/BTC
 ```
diff --git a/scripts/get_market_pairs.py b/scripts/get_market_pairs.py
index 6ee6464d3..1a4c593f9 100644
--- a/scripts/get_market_pairs.py
+++ b/scripts/get_market_pairs.py
@@ -51,7 +51,6 @@ try:
 
     id = sys.argv[1]  # get exchange id from command line arguments
 
-
     # check if the exchange is supported by ccxt
     exchange_found = id in ccxt.exchanges
 
@@ -90,4 +89,3 @@ except Exception as e:
     dump('[' + type(e).__name__ + ']', str(e))
     dump("Usage: python " + sys.argv[0], green('id'))
     print_supported_exchanges()
-
diff --git a/scripts/plot_dataframe.py b/scripts/plot_dataframe.py
index 581518b12..14d57265e 100755
--- a/scripts/plot_dataframe.py
+++ b/scripts/plot_dataframe.py
@@ -24,24 +24,22 @@ Example of usage:
 > python3 scripts/plot_dataframe.py --pairs BTC/EUR,XRP/BTC -d user_data/data/
   --indicators1 sma,ema3 --indicators2 fastk,fastd
 """
-import json
 import logging
 import sys
 from argparse import Namespace
 from pathlib import Path
-from typing import Dict, List, Any
+from typing import Any, Dict, List
 
 import pandas as pd
 import plotly.graph_objs as go
 import pytz
-
 from plotly import tools
 from plotly.offline import plot
 
 from freqtrade import persistence
 from freqtrade.arguments import Arguments, TimeRange
 from freqtrade.data import history
-from freqtrade.data.btanalysis import load_backtest_data, BT_DATA_COLUMNS
+from freqtrade.data.btanalysis import BT_DATA_COLUMNS, load_backtest_data
 from freqtrade.exchange import Exchange
 from freqtrade.optimize.backtesting import setup_configuration
 from freqtrade.persistence import Trade
@@ -148,7 +146,7 @@ def get_tickers_data(strategy, exchange, pairs: List[str], args):
             tickers[pair] = exchange.klines((pair, tick_interval))
     else:
         tickers = history.load_data(
-            datadir=Path(_CONF.get("datadir")),
+            datadir=Path(str(_CONF.get("datadir"))),
             pairs=pairs,
             ticker_interval=tick_interval,
             refresh_pairs=_CONF.get('refresh_pairs', False),
diff --git a/scripts/plot_profit.py b/scripts/plot_profit.py
index e2f85932f..394f02116 100755
--- a/scripts/plot_profit.py
+++ b/scripts/plot_profit.py
@@ -12,26 +12,24 @@ Optional Cli parameters
 --timerange: specify what timerange of data to use
 --export-filename: Specify where the backtest export is located.
 """
+import json
 import logging
 import sys
-import json
 from argparse import Namespace
 from pathlib import Path
 from typing import List, Optional
-import numpy as np
 
+import numpy as np
+import plotly.graph_objs as go
 from plotly import tools
 from plotly.offline import plot
-import plotly.graph_objs as go
 
+from freqtrade import constants, misc
 from freqtrade.arguments import Arguments
 from freqtrade.configuration import Configuration
-from freqtrade import constants
 from freqtrade.data import history
 from freqtrade.resolvers import StrategyResolver
 from freqtrade.state import RunMode
-import freqtrade.misc as misc
-
 
 logger = logging.getLogger(__name__)
 
@@ -39,7 +37,7 @@ logger = logging.getLogger(__name__)
 # data:: [ pair,      profit-%,  enter,         exit,        time, duration]
 # data:: ["ETH/BTC", 0.0023975, "1515598200", "1515602100", "2018-01-10 07:30:00+00:00", 65]
 def make_profit_array(data: List, px: int, min_date: int,
-                      interval: int,
+                      interval: str,
                       filter_pairs: Optional[List] = None) -> np.ndarray:
     pg = np.zeros(px)
     filter_pairs = filter_pairs or []
@@ -122,7 +120,7 @@ def plot_profit(args: Namespace) -> None:
         logger.info('Filter, keep pairs %s' % pairs)
 
     tickers = history.load_data(
-        datadir=Path(config.get('datadir')),
+        datadir=Path(str(config.get('datadir'))),
         pairs=pairs,
         ticker_interval=tick_interval,
         refresh_pairs=False,
@@ -180,7 +178,7 @@ def plot_profit(args: Namespace) -> None:
     fig.append_trace(profit, 2, 1)
 
     for pair in pairs:
-        pg = make_profit_array(data, num_iterations, min_date, tick_interval, pair)
+        pg = make_profit_array(data, num_iterations, min_date, tick_interval, [pair])
         pair_profit = go.Scattergl(
             x=dates,
             y=pg,