DOC: PR #148

_sources/beginner-tutorial.txt

@@ -589,7 +589,7 @@ the ``examples`` directory:
     from catalyst import run_algorithm
     from catalyst.api import (order, record, symbol, order_target_percent, 
             get_open_orders)
-    from catalyst.exchange.stats_utils import extract_transactions
+    from catalyst.exchange.utils.stats_utils import extract_transactions
 
     NAMESPACE = 'dual_moving_average'
     log = Logger(NAMESPACE)
@@ -660,7 +660,8 @@ the ``examples`` directory:
     def analyze(context, perf):
 
         # Get the base_currency that was passed as a parameter to the simulation
-        base_currency = context.exchanges.values()[0].base_currency.upper()
+        exchange = list(context.exchanges.values())[0]
+        base_currency = exchange.base_currency.upper()
 
         # First chart: Plot portfolio value using base_currency
         ax1 = plt.subplot(411)

beginner-tutorial.html

@@ -786,7 +786,7 @@ the <code class="docutils literal"><span class="pre">examples</span></code> dire
 <span class="kn">from</span> <span class="nn">catalyst</span> <span class="kn">import</span> <span class="n">run_algorithm</span>
 <span class="kn">from</span> <span class="nn">catalyst.api</span> <span class="kn">import</span> <span class="p">(</span><span class="n">order</span><span class="p">,</span> <span class="n">record</span><span class="p">,</span> <span class="n">symbol</span><span class="p">,</span> <span class="n">order_target_percent</span><span class="p">,</span>
         <span class="n">get_open_orders</span><span class="p">)</span>
-<span class="kn">from</span> <span class="nn">catalyst.exchange.stats_utils</span> <span class="kn">import</span> <span class="n">extract_transactions</span>
+<span class="kn">from</span> <span class="nn">catalyst.exchange.utils.stats_utils</span> <span class="kn">import</span> <span class="n">extract_transactions</span>
 
 <span class="n">NAMESPACE</span> <span class="o">=</span> <span class="s">&#39;dual_moving_average&#39;</span>
 <span class="n">log</span> <span class="o">=</span> <span class="n">Logger</span><span class="p">(</span><span class="n">NAMESPACE</span><span class="p">)</span>
@@ -857,7 +857,8 @@ the <code class="docutils literal"><span class="pre">examples</span></code> dire
 <span class="k">def</span> <span class="nf">analyze</span><span class="p">(</span><span class="n">context</span><span class="p">,</span> <span class="n">perf</span><span class="p">):</span>
 
     <span class="c"># Get the base_currency that was passed as a parameter to the simulation</span>
-    <span class="n">base_currency</span> <span class="o">=</span> <span class="n">context</span><span class="o">.</span><span class="n">exchanges</span><span class="o">.</span><span class="n">values</span><span class="p">()[</span><span class="mi">0</span><span class="p">]</span><span class="o">.</span><span class="n">base_currency</span><span class="o">.</span><span class="n">upper</span><span class="p">()</span>
+    <span class="n">exchange</span> <span class="o">=</span> <span class="nb">list</span><span class="p">(</span><span class="n">context</span><span class="o">.</span><span class="n">exchanges</span><span class="o">.</span><span class="n">values</span><span class="p">())[</span><span class="mi">0</span><span class="p">]</span>
+    <span class="n">base_currency</span> <span class="o">=</span> <span class="n">exchange</span><span class="o">.</span><span class="n">base_currency</span><span class="o">.</span><span class="n">upper</span><span class="p">()</span>
 
     <span class="c"># First chart: Plot portfolio value using base_currency</span>
     <span class="n">ax1</span> <span class="o">=</span> <span class="n">plt</span><span class="o">.</span><span class="n">subplot</span><span class="p">(</span><span class="mi">411</span><span class="p">)</span>