fixup more_algorithms

Author: nikohansen

cma/more_algorithms/purecma.py

@@ -114,7 +114,7 @@ def fmin(objective_fct, xstart, sigma,
     =======
     The following example minimizes the function `ff.elli`:
 
-    >>> try: import cma.purecma as purecma
+    >>> try: from cma import purecma
     ... except ImportError: import purecma
     >>> def felli(x):
     ...     return sum(10**(6 * i / (len(x)-1)) * xi**2
@@ -495,7 +495,7 @@ class CMAESDataLogger(_BaseDataLogger):  # could also inherit from object
 
     Use the default logger from `CMAES`:
 
-    >>> try: import cma.purecma as pcma
+    >>> try: from cma import purecma as pcma
     ... except ImportError: import purecma as pcma
     >>> es = pcma.CMAES(3 * [0.1], 1)
     >>> isinstance(es.logger, pcma.CMAESDataLogger)  # type(es.logger)