fix failing tests and do minor python3 touch ups

Author: d99kris

CMakeLists.txt

@@ -9,7 +9,7 @@
 
 # Project
 cmake_minimum_required(VERSION 3.1 FATAL_ERROR)
-project(spacy-cpp VERSION 1.03 LANGUAGES CXX)
+project(spacy-cpp VERSION 1.04 LANGUAGES CXX)
 set (CMAKE_CXX_STANDARD 11)
 if(MSVC)
   if(CMAKE_CXX_FLAGS MATCHES "/W[0-4]")

README.md

@@ -33,7 +33,7 @@ import spacy
 nlp = spacy.load("en_core_web_sm")
 doc = nlp(u"This is a sentence.")
 for token in doc:
-    print token.text + " [" + token.pos_ + "]"
+    print (token.text + " [" + token.pos_ + "]")
 ```
 
 

src/spacy/nlp.cpp

@@ -27,7 +27,7 @@ namespace Spacy
     PyObjectPtr text(Python::get_object<std::string>(p_text));
     std::vector<PyObjectPtr> args = std::vector<PyObjectPtr>({text});
     PyObjectPtr doc(Python::call_method<PyObjectPtr>(m_nlp, args));
-    return Doc(doc);
+    return doc;
   }
 
   Vocab Nlp::vocab() const

src/spacy/spacy.cpp

@@ -25,7 +25,7 @@ namespace Spacy
   {
     if (m_spacy.get() == nullptr)
     {
-      throw std::runtime_error("No module named spacy. Try: pip install -U spacy");
+      throw std::runtime_error("No module named spacy. Try: pip3 install -U spacy");
     }
   }
 
@@ -41,9 +41,9 @@ namespace Spacy
     if (nlp.get() == nullptr)
     {
       throw std::runtime_error("Can't find model '" + p_model + "'. "
-                               "Try: python -m spacy download " + p_model);
+                               "Try: python3 -m spacy download " + p_model);
     }
-    return Nlp(nlp);
+    return nlp;
   }
 
   const Attrs& Spacy::attrs()

src/spacy/token.cpp

@@ -223,9 +223,9 @@ namespace Spacy
     return Python::get_attr_value<double>(m_token, "prob");
   }
 
-  long Token::rank() const
+  double Token::rank() const
   {
-    return Python::get_attr_value<long>(m_token, "rank");
+    return Python::get_attr_value<double>(m_token, "rank");
   }
 
   double Token::sentiment() const

src/spacy/token.h

@@ -69,7 +69,7 @@ namespace Spacy
     long pos() const;
     std::string pos_() const;
     double prob() const;
-    long rank() const;
+    double rank() const;
     double sentiment() const;
     long shape() const;
     std::string shape_() const;

tests/test_token.cpp

@@ -385,7 +385,7 @@ int main()
       Spacy::Token back = doc.tokens().at(2);
       unittest::ExpectEqual(std::string, give.tag_(), "VB");
       unittest::ExpectEqual(std::string, it.tag_(), "PRP");
-      unittest::ExpectEqual(std::string, back.tag_(), "RP");
+      unittest::ExpectEqual(std::string, back.tag_(), "RB");
     }
 
     // Token::text